Report on the conference on semigroups held at Oberwolfach in 1991. J.M. Howie — 1992 Semigroup forum
Embedding finite semigroups in finite semibands of minimal depth. J.M. Howie; E. Giraldes — 1984 Semigroup forum
On the ranks of certain semigroups of order-preserving transformations. G.M.S. Gomes; J.M. Howie — 1992 Semigroup forum