1. On a new testudinate from the chalk of Kansas Author(s): Cope, E. D. (Edward Drinker), 1840-1897, author Publication: [Philadelphia?] : [publisher not identified], [1872?] Subject(s): Turtles -- anatomy & histologyFossilsKansas
2. The rocks of Kansas Author(s): Swallow, G. C. (George Clinton), 1817-1899 Publication: St. Louis, Mo. : Geo. Knapp & Co., printers, 1858 Subject(s): FossilsPaleontologyGeologyKansas