On some models of modal logics. - R. J. Baxter (Notre Dame J. Formal Log., 1973)

Partitions with Prescribed Hook Differences. - George E. Andrews; R. J. Baxter; David M. Bressoud; William H. Burge; Peter J. Forrester; Gérard Viennot (Eur. J. Comb., 1987)