A stratigraphic study of the mollusks of the Calvert and Choptank formations of southern Maryland ... - Schoonover, Lois Margaret (Ithaca, N.Y., Paleontological research institution, 1941)
Thesis (Ph. D.)--Bryn Mawr college, 1940.
Vita.
Bibliography: p. 107-110.
Keywords: Mollusks, Fossil; Paleontology -- Miocene; Paleontology -- Maryland