Republication of Conrad's Fossil shells of the Tertiary formations of North America - Conrad, T. A. (Timothy Abbott) 1803-1877.; Harris, Gilbert D. (Gilbert Dennison) 1864-1952. (Washington, D.C. R. H. Darby, printer Ithica, N.Y. Palentological Research institution, 1893)
Keywords: Paleontology -- North America; Paleontology -- Tertiary; Mollusks, Fossil