1. Brachiopod palaeoecology in Middle Danian limestones at Fakse, Denmark;Asgaard;Lethia, Oslo,1968
2. Les sédiments meubles à brachiopodes de la marge continentale algérienne;Caulet;Bull. Mus. natl. Hist. nat., Paris,1967
3. New Brachiopoda from the Indian Ocean;Cooper;Smithsonian Contrib. Paleobiol., Washington D.C.,1973
4. Vema's Brachiopoda (Recent);Cooper;Smithsonian Contrib. Paleobiol., Washington D.C.,1973
5. Brachiopods from the Caribbean Sea and adjacent waters;Cooper,1977