Celebratio Mathematica

I. Ka­plansky and J. Ri­ordan: “Mul­tiple match­ing and runs by the sym­bol­ic meth­od,” Ann. Math. Stat­ist­ics 16 : 3 (September 1945), pp. 272–​277. MR 0014606 Zbl 0063.​03138

I. Ka­plansky and J. Ri­ordan: “The prob­lem of the rooks and its ap­plic­a­tions,” Duke Math. J. 13 : 2 (1946), pp. 259–​268. MR 0016082 Zbl 0060.​02903

I. Ka­plansky and J. Ri­ordan: “The problème des ménages,” Scripta Math. 12 (1946), pp. 113–​124. MR 0019074 Zbl 0060.​02905