Cushman, Joseph A. Upper Cretaceous foraminifera of the Gulf Coastal Region of the United States and adjacent areas / by Joseph A. Cushman. - Washington : U.S. Govt. Print. Off., 1946 [reprinted 1965] - 241 p. : - Geological Survey (U.S.). Professional paper ; 206 . ISBN: ISBNSc2150 Subjects--Topical Terms: Foraminifera, Fossil Dewey Class. No.: 561.994 / Up