1. D. Archdeacon, The medial graph and volt age-current duality, preprint (1990).
2. D. Archdeacon, The construction of involutory self-dual polyhedra, in preparation.
3. D. Archdeacon, N. Hartsfield, Self-dual embeddings of complete multipartite graphs, preprint (1989).
4. ; D. Archdeacon and S. Negami, The construction and classification of self-dual projective polyhedra, in preparation.
5. D.Archdeacon, B. Richter, The construction and classification of self-dual polyhedra, preprint (1989).