1. Phylogeny and functions of the digital ligaments of the horse;Camp;Mem. Univ. Calif.,1942
2. Tertiary grasses and other prairie vegetation from the high plains of North America;Elias;Amer. Jour. Sci.,1935
3. Notes on Paleocene and lower Eocene mammal horizons of northern New Mexico and southern Colorado;Granger;Bull. Amer. Mus. Nat. Hist.,1917
4. Pliocene vertebrates from Big Spring Canyon, South Dakota;Gregory;Univ. Calif. Publ. Bull. Dept. Geol. Sci.,1942
5. Stratigraphy and paleontology of the Paleocene of northeastern Park county, Wyoming;Jepsen;Proc. Amer. Philos. Soc.,1930