Finite embedding theorems for partial pairwise balanced designs. - William B. Poucher (Discret. Math., 1977)

Embedding Incomplete Latin Squares in Latin Squares Whose Diagonal is Almost Completely Prescribed. - Lars Døvling Andersen; Roland Häggkvist; Anthony J. W. Hilton; William B. Poucher (Eur. J. Comb., 1980)

How to Make Program Assessment Work for You. - William B. Poucher; Peter M. Maurer (FECS, 2005)