If you would like to learn more about Florissant and the fossils found there, check out this list of references hand-picked by the curator of this exhibit.
Florissant Fossil Beds National Monument (http://www.nps.gov/flfo/)
Florissant Fossil Beds National Monument Online Museum (http://nps.gov/archive/flfo/online_museum)
The Fossils of Florissant by Herbert W. Meyer. 2003. Smithsonian Books.
Florissant Butterflies: A Guide to the Fossil and Present-Day Species of Central Colorado by T.C. Emmel, M.C. Minno and B.A. Drummond. 1992. Stanford University Press.
"Fossil Flora and Stratigraphy of the Florissant Formation, Colorado" by E. Evanoff, K.M. Gregory-Wodzicki and K.R. Johnson (Editors) 2001. Proceedings of the Denver Museum of Nature and Science, Series 4, Number 1.
Fossil Plants of the Florissant Beds, Colorado by H.D. MacGinitie. 1953. Carnegie Institute of Washington, Publication No. 599.
Common Fossil Plants of Western North America, 2nd Edition by W.D. Tidwell. 1998. Smithsonian Books.
A Field Guide to Insects: America North of Mexico (Peterson Field Guide Series) by R.E. White, D.J. Borror and R.T. Peterson (Editors). 1998. Houghton Mifflin.
Beetles: A Field Guide to the Beetles of North America by R.E. White and R.T. Peterson. 1998. Houghton Mifflin.