### Bibliography

#### Filter the Bibliography List

Abstract for ‘A peculiar function’,” Bull. Am. Math. Soc. 35 : 4 (1929), pp. 442–443. Abstract only; unpublished. JFM 55.0157.05 article

: “Abstract for ‘Note on central motions’,” Bull. Am. Math. Soc. 36 : 5 (1930), pp. 352. Abstract only; unpublished. JFM 56.0685.18 article

: “Abstract for ‘A theory of graphs and their coloring’,” Bull. Am. Math. Soc. 36 : 11 (1930), pp. 798. Abstract only; unpublished. JFM 56.0515.13 article

: “Abstract for ‘A normal form for maps’,” Bull. Am. Math. Soc. 36 : 3 (1930), pp. 216–217. Abstract only; unpublished. JFM 56.0515.12 article

: “Abstract for ‘A logical expansion in mathematics’,”
Bull. Am. Math. Soc.
36 : 11
(1930),
pp. 798.
Abstract only; published in *Bull. Am. Math. Soc.* **38**:8 (1932), pp. 572–579.
JFM
56.0060.25
article

A theorem on graphs,” Ann. Math. (2) 32 : 2 (April 1931), pp. 378–390. MR 1503003 JFM 57.0727.03 Zbl 0002.16101 article

: “Non-separable and planar graphs,” Proc. Nat. Acad. Sci. U.S.A. 17 : 2 (February 1931), pp. 125–127. JFM 57.0727.05 article

: “The coloring of graphs,” Proc. Natl. Acad. Sci. U.S.A. 17 : 2 (February 1931), pp. 122–125. JFM 57.0727.04 Zbl 0001.29301 article

: “Abstract for ‘On homeomorphic graphs and the connectivity of graphs’,” Bull. Am. Math. Soc. 37 : 3 (1931), pp. 168. Abstract only; unpublished. JFM 57.0758.26 article

: “Abstract for ‘A characterization of the closed 2-cell’,”
Bull. Am. Math. Soc.
37 : 11
(1931),
pp. 820–821.
Abstract only; published in *Trans. Am. Math. Soc.* **35**:1 (1933), pp. 261–273.
JFM
57.0758.27
article

Abstract for ‘Basic graphs’,” Bull. Am. Math. Soc. 38 : 1 (1932), pp. 37–38. Abstract only; unpublished. JFM 58.0647.17 article

: “Abstract for ‘A set of topological invariants for graphs’,”
Bull. Am. Math. Soc.
38 : 1
(1932),
pp. 38.
Abstract only; published in *Am. J. Math.* **55**:1–4 (1933), pp. 231–235.
JFM
58.0647.19
article

Abstract for ‘Conditions that a graph have a dual’,” Bull. Am. Math. Soc. 38 : 1 (1932), pp. 37. Abstract only; unpublished. JFM 58.0647.18 article

: “Regular families of curves, I,” Proc. Natl. Acad. Sci. U.S.A. 18 : 3 (March 1932), pp. 275–278. JFM 58.0633.02 Zbl 0004.07503 article

: “Abstract for ‘On 2-congruent graphs’,” Bull. Am. Math. Soc. 38 : 5 (1932), pp. 354. Abstract only; unpublished. JFM 58.0647.20 article

: “Non-separable and planar graphs,” Trans. Am. Math. Soc. 34 : 2 (1932), pp. 339–362. MR 1501641 JFM 58.0608.01 Zbl 0004.13103 article

: “Note on Perron’s solution of the Dirichlet problem,” Proc. Natl. Acad. Sci. U.S.A. 18 : 1 (January 1932), pp. 68–70. JFM 58.0509.01 Zbl 0003.34901 article

: “Abstract for ‘Regular families of curves, I’,”
Bull. Am. Math. Soc.
38 : 3
(1932),
pp. 183.
Abstract only; published in *Proc. Natl. Acad. Sci. U.S.A.* **18**:3 (1932), pp. 275–278.
JFM
58.0648.10
article

Regular families of curves, II,” Proc. Natl. Acad. Sci. U.S.A. 18 : 4 (April 1932), pp. 340–342. Zbl 0004.13201 article

: “Congruent graphs and the connectivity of graphs,” Am. J. Math. 54 : 1 (January 1932), pp. 150–168. MR 1506881 JFM 58.0609.01 Zbl 0003.32804 article

: “A logical expansion in mathematics,” Bull. Am. Math. Soc. 38 : 8 (1932), pp. 572–579. MR 1562461 JFM 58.0605.08 Zbl 0005.14602 article

: “Abstract for ‘Cross sections of curves in 3-space’,”
Bull. Am. Math. Soc.
38 : 11
(1932),
pp. 808.
Abstract only; published in *Duke Math. J.* **4**:1 (1938), pp. 222–226.
JFM
58.0648.11
article

Abstract for ‘Characteristic functions and the algebra of logic’,”
Bull. Am. Math. Soc.
38 : 1
(1932),
pp. 38.
Abstract only; published in *Ann. of Math. (2)* **34**:3 (1933), pp. 405–414.
JFM
58.0070.06
article

The coloring of graphs,” Ann. Math. (2) 33 : 4 (October 1932), pp. 688–718. MR 1503085 JFM 58.0606.01 Zbl 0005.31301 article

: “Abstract for ‘Note on Perron’s solution of the Dirichlet problem’,”
Bull. Am. Math. Soc.
38 : 1
(1932),
pp. 41.
Abstract only; published in *Proc. Natl. Acad. Sci. U.S.A.* **18**:1 (1932), pp. 68–70.
JFM
58.0519.04
article

Abstract for ‘Regular families of curves, II’,”
Bull. Am. Math. Soc.
38 : 3
(1932),
pp. 183–184.
Abstract only; published in *Proc. Natl. Acad. Sci. U.S.A.* **18**:4 (1932), pp. 340–342.
article

The coloring of graphs. Ph.D. thesis, Harvard University, 1932. Advised by G. D. Birkhoff. MR 2936470 phdthesis

:2-Isomorphic graphs,” Am. J. Math. 55 : 1–4 (1933), pp. 245–254. MR 1506961 JFM 59.1235.01 Zbl 0006.37005 article

: “On the classification of graphs,” Am. J. Math. 55 : 1–4 (1933), pp. 236–244. MR 1506960 JFM 59.1233.02 Zbl 0006.37004 article

: “Characteristic functions and the algebra of logic,” Ann. Math. (2) 34 : 3 (July 1933), pp. 405–414. MR 1503114 JFM 59.0051.05 Zbl 0007.19402 article

: “Abstract for ‘Differentiable functions defined on closed sets’,” Bull. Am. Math. Soc. 39 : 5 (1933), pp. 352–353. Abstract only; unpublished. JFM 59.0292.06 article

: “Abstract for ‘Functions differentiable on the boundaries of regions’,”
Bull. Am. Math. Soc.
39 : 11
(1933),
pp. 874.
Abstract only; published in *Ann. Math. (2)* **35**:3 (1934), pp. 482–485.
JFM
59.0292.09
article

Abstract for ‘Differentiable functions defined in closed sets, I’,”
Bull. Am. Math. Soc.
39 : 9
(1933),
pp. 673.
Abstract only; published in *Trans. Am. Math. Soc.* **36**:2 (1934), pp. 369–387.
JFM
59.0292.08
article

Regular families of curves,” Ann. Math. (2) 34 : 2 (April 1933), pp. 244–270. MR 1503106 JFM 59.1256.04 Zbl 0006.37101 article

: “Planar graphs,” Fundam. Math. 21 (1933), pp. 73–84. JFM 59.1235.03 Zbl 0008.08501 article

: “A set of topological invariants for graphs,” Am. J. Math. 55 : 1–4 (1933), pp. 231–235. MR 1506959 JFM 59.1235.02 Zbl 0006.37003 article

: “Abstract for ‘Analytic extensions of differentiable functions defined on closed sets’,”
Bull. Am. Math. Soc.
39 : 1
(1933),
pp. 31.
Abstract only; published in *Trans. Am. Math. Soc.* **36**:1 (1934), pp. 63–89.
JFM
59.0260.04
article

A characterization of the closed 2-cell,” Trans. Am. Math. Soc. 35 : 1 (January 1933), pp. 261–273. MR 1501683 JFM 59.0566.02 Zbl 0006.08303 article

: “Abstract for ‘Derivatives, difference quotients, and Taylor’s formula, I’,”
Bull. Am. Math. Soc.
39 : 7
(1933),
pp. 508.
Abstract only; published in *Bull. Am. Math. Soc.* **40**:2 (1934), pp. 89–94.
JFM
59.0292.07
article

Abstract for ‘Derivatives, difference quotients, and Taylor’s formula, II’,”
Bull. Am. Math. Soc.
39 : 11
(1933),
pp. 875.
Abstract only; published in *Ann. Math. (2)* **35**:3 (1934), pp. 476–481.
article

Abstract for ‘On the abstract properties of linear dependence’,”
Bull. Am. Math. Soc.
40 : 9
(1934),
pp. 663.
Abstract only; published in *Am. J. Math.* **57**:3 (1935), pp. 509–533.
JFM
60.0883.04
article

Differentiable functions defined in closed sets, I,” Trans. Am. Math. Soc. 36 : 2 (1934), pp. 369–387. MR 1501749 JFM 60.0217.02 Zbl 0009.20803 article

: “Abstract for ‘Analytic approximations to manifolds’,” Bull. Am. Math. Soc. 40 : 9 (1934), pp. 663. Abstract only; unpublished. JFM 60.0536.01 article

: “Analytic extensions of differentiable functions defined in closed sets,” Trans. Am. Math. Soc. 36 : 1 (1934), pp. 63–89. MR 1501735 JFM 60.0217.01 Zbl 0008.24902 article

: “Derivatives, difference quotients and Taylor’s formula, II,” Ann. Math. (2) 35 : 3 (July 1934), pp. 476–481. MR 1503173 JFM 60.0963.01 Zbl 0010.01504 article

: “Functions differentiable on the boundaries of regions,” Ann. Math. (2) 35 : 3 (July 1934), pp. 482–485. MR 1503174 JFM 60.0217.03 Zbl 0009.30901 article

: “Erratum: ‘Derivatives, difference quotients, and Taylor’s formula’,” Bull. Am. Math. Soc. 40 : 12 (1934), pp. 894.

: “Derivatives, difference quotients, and Taylor’s formula,” Bull. Am. Math. Soc. 40 : 2 (1934), pp. 89–94. MR 1562803 JFM 60.0962.02 Zbl 0009.05903 article

: “Abstract for ‘A numerical equivalent of the four-color problem’,”
Bull. Am. Math. Soc.
40 : 1
(1934),
pp. 36.
Abstract only; published in *Monatsh. Math. Phys.* **45**:1 (1936), pp. 207–213.
JFM
60.0535.04
article

Abstract for ‘A function not constant on a connected set of critical points’,”
Bull. Am. Math. Soc.
41 : 11
(1935),
pp. 796.
Abstract only; published in *Duke Math. J.* **1**:4 (1935), pp. 514–517.
JFM
61.0262.07
article

Abstract for ‘Sphere-spaces, with applications’,” Bull. Am. Math. Soc. 41 : 5 (1935), pp. 337–338. Abstract only; unpublished. JFM 61.0641.13 article

: “A function not constant on a connected set of critical points,” Duke Math. J. 1 : 4 (1935), pp. 514–517. MR 1545896 JFM 61.1117.01 Zbl 0013.05801 article

: “On the abstract properties of linear dependence,” Am. J. Math. 57 : 3 (July 1935), pp. 509–533. MR 1507091 JFM 61.0073.03 Zbl 0012.00404 article

: “Sphere-spaces,” Proc. Natl. Acad. Sci. U.S.A. 21 : 7 (1935), pp. 464–468. JFM 61.0624.01 Zbl 0012.12603 article

: “Differentiable manifolds in Euclidean space,” Proc. Natl. Acad. Sci. U.S.A. 21 : 7 (July 1935), pp. 462–464. JFM 61.0624.02 Zbl 0012.12602 article

: “Abstract for ‘Differentiable manifolds in Euclidean space’,”
Bull. Am. Math. Soc.
41 : 9
(1935),
pp. 625–626.
Abstract only; published in *Proc. Natl. Acad. Sci. U.S.A.* **21**:7 (1935), pp. 462–464.
JFM
61.0641.14
article

Abstract for ‘On a theorem of H. Hopf’,” Bull. Am. Math. Soc. 41 : 11 (1935), pp. 787. Abstract only; unpublished. JFM 61.0641.07 article

: “Sphere-spaces,” Rec. Math. Moscou, n. Ser. 1 : 5 (1936), pp. 787–791. JFM 62.0662.03 Zbl 0016.13904 article

: “A numerical equivalent of the four color map problem,” Monatsh. Math. Phys. 45 : 1 (1936), pp. 207–213. MR 1550643 JFM 63.0551.01 Zbl 0016.42002 article

: “Abstract for ‘Differentiable functions defined in arbitrary subsets of Euclidean space’,”
Bull. Am. Math. Soc.
42 : 1
(1936),
pp. 23.
Abstract only; published in *Trans. Am. Math. Soc.* **40**:2 (1936), pp. 309–317.
JFM
62.0272.04
article

Abstract for ‘The maps of a 4-complex into a 2-sphere’,” Bull. Am. Math. Soc. 42 : 5 (1936), pp. 338–339. Abstract only; unpublished. JFM 62.0695.13 article

: “Differentiable manifolds in Euclidean space,” Rec. Math. Moscou, n. Ser. 1 : 5 (1936), pp. 783–786. JFM 62.0806.03 Zbl 0016.08501 article

: “Abstract for ‘Matrices of integers and combinatorial topology’,”
Bull. Am. Math. Soc.
42 : 11
(1936),
pp. 816.
Abstract only; published in *Duke Math. J.* **3**:1 (1937), pp. 35–45.
JFM
62.0695.05
article

Abstract for ‘On the maps of an __\( n \)__-sphere into another __\( n \)__-sphere’,”
Bull. Am. Math. Soc.
42 : 11
(1936),
pp. 810.
Abstract only; published in *Duke Math. J.* **3**:1 (1937), pp. 46–50.
JFM
62.0695.12
article

Differentiable functions defined in arbitrary subsets of Euclidean space,” Trans. Am. Math. Soc. 40 : 2 (1936), pp. 309–317. MR 1501875 JFM 62.0265.02 Zbl 0015.01001 article

: “The imbedding of manifolds in families of analytic manifolds,” Ann. Math. (2) 37 : 4 (October 1936), pp. 865–878. MR 1503315 JFM 62.0806.02 Zbl 0015.18002 article

: “Abstract for ‘On regular closed curves in the plane’,”
Bull. Am. Math. Soc.
42 : 9
(1936),
pp. 639.
Abstract only; published in *Compositio Math.* **4** (1937), pp. 276–284.
JFM
62.0809.05
article

Differentiable manifolds,” Ann. Math. (2) 37 : 3 (July 1936), pp. 645–680. MR 1503303 JFM 62.1454.01 Zbl 0015.32001 article

: “On regular closed curves in the plane,” Compositio Math. 4 (1937), pp. 276–284. MR 1556973 JFM 63.0647.01 Zbl 0016.13804 article

: “Topological properties of differentiable manifolds,” Bull. Am. Math. Soc. 43 : 12 (1937), pp. 785–805. MR 1563640 JFM 63.0556.03 Zbl 0018.23902 article

: “The maps of an __\( n \)__-complex into an __\( n \)__-sphere,”
Duke Math. J.
3 : 1
(1937),
pp. 51–55.
MR
1545972
JFM
63.1162.02
Zbl
0016.22901
article

On the maps of an __\( n \)__-sphere into another __\( n \)__-sphere,”
Duke Math. J.
3 : 1
(1937),
pp. 46–50.
MR
1545971
JFM
63.1162.01
Zbl
0016.22808
article

On matrices of integers and combinatorial topology,” Duke Math. J. 3 : 1 (1937), pp. 35–45. MR 1545970 JFM 64.1265.03 Zbl 0016.27805 article

: “Analytic coordinate systems and arcs in a manifold,” Ann. Math. (2) 38 : 4 (October 1937), pp. 809–818. MR 1503372 JFM 63.0651.01 Zbl 0017.42802 article

: “On products in a complex,” Proc. Natl. Acad. Sci. U.S.A. 23 : 5 (May 1937), pp. 285–291. JFM 63.1160.02 Zbl 0016.42001 article

: “Tensor products of Abelian groups,” Duke Math. J. 4 : 3 (1938), pp. 495–528. MR 1546071 JFM 64.0065.01 Zbl 0019.39802 article

: “Book review: Leçons sur les principes topologiques de la théorie des fonctions analytiques, by S. Stöilow,” Bull. Am. Math. Soc. 44 : 11 (1938), pp. 758–759. MR 1563864 article

: “On products in a complex,” Ann. Math. (2) 39 : 2 (April 1938), pp. 397–432. MR 1503416 JFM 64.1265.04 Zbl 0019.14204 article

: “Cross-sections of curves in 3-space,” Duke Math. J. 4 : 1 (1938), pp. 222–226. MR 1546045 JFM 64.0626.03 Zbl 0018.42603 article

: “Some combinatorial properties of complexes,” Proc. Nat. Acad. Sci. U.S.A. 26 : 2 (February 1940), pp. 143–148. MR 0001337 JFM 66.0947.04 Zbl 0023.38303 article

: “On the theory of sphere-bundles,” Proc. Nat. Acad. Sci. U.S.A. 26 : 2 (February 1940), pp. 148–153. MR 0001338 JFM 66.0952.01 Zbl 0023.17603 article

: “On the topology of differentiable manifolds,” pp. 101–141 in Lectures in topology (Ann Arbor, MI, 24 June–6 July 1940). Edited by R. L. Wilder and W. L. Ayres. University of Michigan Press (Ann Arbor, MI), 1941. MR 0005300 Zbl 0063.08233 incollection

: “On regular families of curves,” Bull. Am. Math. Soc. 47 (1941), pp. 145–147. MR 0004115 JFM 67.0744.03 Zbl 0025.23602 article

: “Differentiability of the remainder term in Taylor’s formula,” Duke Math. J. 10 : 1 (1943), pp. 153–158. MR 0007782 Zbl 0063.08234 article

: “Differentiable even functions,” Duke Math. J. 10 : 1 (1943), pp. 159–160. MR 0007783 Zbl 0063.08235 article

: “The general type of singularity of a set of __\( 2n-1 \)__ smooth functions of __\( n \)__ variables,”
Duke Math. J.
10 : 1
(1943),
pp. 161–172.
MR
0007784
Zbl
0061.37207
article

The self-intersections of a smooth __\( n \)__-manifold in __\( 2n \)__-space,”
Ann. Math. (2)
45 : 2
(April 1944),
pp. 220–246.
MR
0010274
Zbl
0063.08237
article

Topics in the theory of Abelian groups, I: Divisibility of homomorphisms,” Bull. Am. Math. Soc. 50 (1944), pp. 129–134. MR 0009404 Zbl 0061.03504 article

: “The singularities of a smooth __\( n \)__-manifold in __\( (2n-1) \)__-space,”
Ann. Math. (2)
45 : 2
(April 1944),
pp. 247–293.
MR
0010275
Zbl
0063.08238
article

On the extension of differentiable functions,” Bull. Am. Math. Soc. 50 (1944), pp. 76–81. MR 0009785 Zbl 0063.08236 article

: “Complexes of manifolds,” Proc. Nat. Acad. Sci. U.S.A. 33 : 1 (January 1947), pp. 10–11. MR 0019306 Zbl 0029.41903 article

: “Geometric methods in cohomology theory,” Proc. Nat. Acad. Sci. U.S.A. 33 : 1 (January 1947), pp. 7–9. MR 0019305 Zbl 0030.37402 article

: “Algebraic topology and integration theory,” Proc. Nat. Acad. Sci. U.S.A. 33 : 1 (January 1947), pp. 1–6. MR 0019304 Zbl 0029.42002 article

: “On ideals of differentiable functions,” Am. J. Math. 70 : 3 (July 1948), pp. 635–658. MR 0026238 Zbl 0037.35502 article

: “An inequality related to the isoperimetric inequality,” Bull. Am. Math. Soc. 55 (1949), pp. 961–962. MR 0031538 Zbl 0035.38302 article

: “Relations between the second and third homotopy groups of a simply connected space,” Ann. Math. (2) 50 : 1 (January 1949), pp. 180–202. MR 0034019 Zbl 0031.28403 article

: “La topologie algébrique et la théorie de l’intégration” [Algebraic topology and the theory of integration], pp. 107–113 in Topologie algébrique (Paris, 26 June–2 July 1947). Edited by A. Denjoy. Colloques Internationaux du Centre National de la Recherche Scientifique 12. CNRS (Paris), 1949. MR 0034022 Zbl 0041.52101 incollection

: “An extension theorem for mappings into simply connected spaces,” Ann. Math. (2) 50 : 2 (April 1949), pp. 285–296. MR 0034021 Zbl 0037.10002 article

: “Classification of the mappings of a 3-complex into a simply connected space,” Ann. Math. (2) 50 : 2 (April 1949), pp. 270–284. MR 0034020 Zbl 0040.25803 article

: “On totally differentiable and smooth functions,” Pacific J. Math. 1 : 1 (1951), pp. 143–159. MR 0043878 Zbl 0043.05803 article

: “__\( r \)__-dimensional integration in __\( n \)__-space,”
pp. 245–256
in
Proceedings of the International Congress of Mathematicians
(Cambridge, MA, 3 August–6 September 1950),
vol. I.
American Mathematical Society (Providence, RI),
1952.
MR
0043879
Zbl
0049.04102
inproceedings

On singularities of mappings of Euclidean spaces, I: Mappings of the plane into the plane,” Ann. Math. (2) 62 : 3 (November 1955), pp. 374–410. MR 0073980 Zbl 0068.37101 article

: “Elementary structure of real algebraic varieties,” Ann. Math. (2) 66 : 3 (November 1957), pp. 545–556. MR 0095844 Zbl 0078.13403 article

: “On functions with bounded __\( n \)__-th differences,”
J. Math. Pures Appl. (9)
36
(1957),
pp. 67–95.
MR
0084611
Zbl
0077.06901
article

Geometric integration theory. Princeton Mathematical Series 21. Princeton University Press, 1957. MR 0087148 Zbl 0083.28204 book

:Singularities of mappings of Euclidean spaces,” pp. 285–301 in Symposium internacional de topología algebraica (Mexico City, August 1956). Edited by J. Adem. Universidad Nacional Autónoma de México (Mexico City), 1958. MR 0098418 Zbl 0092.28401 incollection

: “Classification of oriented sphere bundles over a 4-complex,” Ann. Math. (2) 69 : 3 (May 1959), pp. 667–677. MR 0123331 Zbl 0124.38103 article

: “Quelques propriétés fondamentales des ensembles analytiques-réels” [Some fundamental properties of real-analytic sets], Comment. Math. Helv. 33 (1959), pp. 132–160. MR 0102094 Zbl 0100.08101 article

: “On bounded functions with bounded __\( n \)__-th differences,”
Proc. Am. Math. Soc.
10 : 3
(June 1959),
pp. 480–481.
MR
0106969
Zbl
0089.27601
article

Geometric integration theory. Edited by V. G. Boltyanski. 1960. Zbl 0106.26703 book

:The extension of linear functionals defined on __\( H^{\infty} \)__,”
Pacific J. Math.
12 : 1
(1962),
pp. 163–182.
Dedicated to Marston Morse.
MR
0142013
Zbl
0191.15202
article

The work of John W. Milnor,” pp. XLVIII–L in Proceedings of the International Congress of Mathematicians (Stockholm, 15–22 August 1962). Institut Mittag-Leffler (Djursholm, Sweden), 1963. Zbl 0112.24401 incollection

: “Tangents to an analytic variety,” Ann. Math. (2) 81 : 3 (May 1965), pp. 496–549. MR 0192520 Zbl 0152.27701 article

: “Local properties of analytic varieties,” pp. 205–244 in Differential and combinatorial topology: A symposium in honor of Marston Morse (Institute for Advanced Study, Princeton, NJ, 1964). Edited by S. S. Cairns. Princeton Mathematical Series 27. Princeton University Press, 1965. MR 0188486 Zbl 0129.39402 incollection

: “The mathematics of physical quantities, II: Quantity structures and dimensional analysis,” Am. Math. Mon. 75 : 3 (March 1968), pp. 227–256. MR 0228220 article

: “The mathematics of physical quantities, I: Mathematical models for measurement,” Am. Math. Mon. 75 : 2 (February 1968), pp. 115–138. MR 0228219 Zbl 0186.57901 article

: “Complex analytic varieties. Addison-Wesley (Reading, MA), 1972. MR 0387634 Zbl 0265.32008 book

:Kempe chains and the four colour problem,” Util. Math. 2 (1972), pp. 241–281. MR 0309782 Zbl 0253.05120 article

: “Are we off the track in teaching mathematical concepts?,” pp. 283–296 in Developments in mathematical education: Proceedings of the Second International Congress on Mathematical Education (Cambridge, UK). Edited by A. G. Howson. Cambridge University Press, 1973. incollection

: “Kempe chains and the four colour problem,” pp. 378–413 in Studies in graph theory, part II. Edited by C. Berge and D. R. Fulkerson. Studies in Mathematics 12. Mathematical Association of America (Washington, DC), 1975. MR 0392651 Zbl 0328.05107 incollection

: “Comment on the division of the plane by lines,” Am. Math. Mon. 86 : 8 (October 1979), pp. 700. MR 1539143 article

: “Taking responsibility in school mathematics education,” J. Math. Behav. 4 : 3 (December 1985), pp. 219–235. article

: “Letting research come naturally,” Math. Chronicle 14 (1985), pp. 1–19. MR 826955 Zbl 0617.00022 article

: “Hassler Whitney, 1985. Online interview transcript, 10 April 1984. misc

:Learning math by thinking,” New York Times (10 June 1986), pp. C1. Article is based around an interview with Whitney. article

: “Coming alive in school math and beyond,” J. Math. Behav. 5 : 2 (1986), pp. 129–140. article

: “Coming alive in school math and beyond,” Educ. Stud. Math. 18 : 3 (1987), pp. 229–242. article

: “Moscow 1935: Topology moving toward America,” pp. 97–117 in A century of mathematics in America, part I. Edited by P. Duren. History of Mathematics 1. American Mathematical Society (Providence, RI), 1988. Edited with the assistance of Richard A. Askey and Uta C. Merzbach. MR 1003166 Zbl 0666.01008 incollection

: “Differentiable manifolds: Weyl and Whitney,” Math. Intell. 10 : 2 (June 1988), pp. 5–9. article

: “The visits of Hassler Whitney to Brazil,” Humanistic Mathematics Network Newsletter 4 (1989), pp. 8. article

: “Hassler Whitney 1907–1989: Some recollections 1979–1989,” Humanistic Mathematics Network Newsletter 4 (1989), pp. 2–7. article

: “Education is for the students’ future (draft),” Humanistic Mathematics Network Newsletter 4 (1989), pp. 9–12. article

: “Obituary: Hassler Whitney, geometrician: He eased ‘mathematics anxiety’,” New York Times (12 May 1989), pp. B10. article

: “La vie et l’œuvre de Hassler Whitney” [The life and works of Hassler Whitney], C. R. Acad. Sci., Paris, Sér. Gén., Vie Sci. 7 : 6 (1990), pp. 473–476. MR 1105198 article

: “Collected papers, vol. I. Edited by J. Eells and D. Toledo. Contemporary Mathematicians. Birkhäuser (Boston, MA), 1992. With a foreword by the editors. MR 1138982 Zbl 0746.01016 book

:Collected papers, vol. II. Edited by J. Eells and D. Toledo. Contemporary Mathematicians. Birkhäuser (Boston, MA), 1992. With a foreword by the editors. MR 1138983 book

:Whitney, Hassler,” pp. 303–304 in American National Biography, vol. 23. Edited by J. A. Garraty and M. C. Carnes. Oxford University Press (New York), 1999. incollection

: “