On a problem raised by P.J. Cameron. - Richard P. Lewis 001; Simon P. Norton (Discret. Math., 1995)

The ranks of partitions modulo 2. - Richard P. Lewis 001 (Discret. Math., 1997)

The number of spanning trees of a complete multipartite graph. - Richard P. Lewis 001 (Discret. Math., 1999)

An algebraic identity of F.H. Jackson and its implications for partitions. - George E. Andrews; Richard P. Lewis 001 (Discret. Math., 2001)

Restricted bipartitions. - George E. Andrews; Richard P. Lewis 001 (Discret. Math., 2001)