Les vertébrés fossiles des gisements de phosphates (Maroc-Algérie-Tunisie). Notes et Mémoires du Service Géologique du Maroc, 92, 1–372
A checklist of Palaeocene and Eocene sharks and rays (Chondrichthyes) from the Pamunkey Group, Maryland and Virginia, USA. Tertiary Research, 12(2), 81–88
Fossil Sharks of the Chesapeake Bay Region. Egan Rees and Boyer, Inc. Columbia. 146 pp.