1. Some western American Cenozoic gastropods of the genus Nassarius Author/Creator: Addicott, Warren O. Publication/Creation: Washington : U.S. Govt. Print. Off, 1965 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 502-503. Access & Availability: Loading
2. Some western American Cenozoic gastropods of the genus Nassarius Author/Creator: Addicott, Warren O., author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1965 Resource Type: Book Access & Availability: Loading
3. Stratigraphic and geomorphic framework of uppermost cenozoic deposits in the southern Delmarva Peninsula, Virginia and Maryland Author/Creator: Mixon, Robert B. Publication/Creation: Washington : U.S. G.P.O., 1985 Resource Type: Book Access & Availability: Loading