1. Free distributive P-algebras: a new approach;Glasgow Mathematical Journal;1998-09
2. Partition-induced natural dualities for varieties of pseudo- complemented distributive lattices;Discrete Mathematics;1993-04
3. Homomorphisms and endomorphisms in varieties of pseudocomplemented distributive lattices (with applications to Heyting algebras);Transactions of the American Mathematical Society;1984
4. Ordered Sets and Duality for Distributive Lattices;Orders: Description and Roles - In Set Theory, Lattices, Ordered Groups, Topology, Theory of Models and Relations, Combinatorics, Effectiveness, Social Sciences, Proceedings of the Conference on Ordered Sets and their Application Château dc la Tourcttc; Ordres: Description et Rôles - En Théorie des Treillis, des Groupes Ordonnés; en Topologie, Théorie des Modèles et des Relations, Cornbinatoire, Effectivité, Sciences Sociales, Actes de la Conférence sur ies Ensembles Ordonnés et leur Applications Château de la Tourette;1984
5. A description of the projective Stone algebras;Glasgow Mathematical Journal;1983-01