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. Studies of Cenozoic vertebrates of western North America and of fossil primates Author/Creator: Carnegie Institution of Washington Publication/Creation: Washington, D.C. : [publisher not identified], 1942 Resource Type: Book Access & Availability: Loading