1. A Natural History of the New World : The Ecology and Evolution of Plants in the Americas Author/Creator: Graham, Alan, author Publication/Creation: Chicago : University of Chicago Press, [2010] Resource Type: Book Access & Availability: Loading
2. New Late Cretaceous and Early Tertiary Perissityidae (gastropoda) from the Pacific Slope of North America Author/Creator: Saul, Louella R. (Louella Rankin) Publication/Creation: Los Angeles, Calif. : Natural History Museum of Los Angeles County, [1988] Resource Type: Book Access & Availability: Loading
3. Normapolles pollen from the Mississippi embayment Author/Creator: Tschudy, Robert H. Publication/Creation: Washington : U.S. Govt. Print. Off, 1975 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no.865-869. Access & Availability: Loading
4. Normapolles pollen from the Mississippi embayment Author/Creator: Tschudy, Robert H., author Publication/Creation: Washington : United States Department of the Interior, Geological Survey, 1975 Resource Type: Book Access & Availability: Loading