- eBookA New Bat (Genus Myotis) From MexicoE. Raymond (Eugene Raymond) Hall
- eBookA Synopsis of the American Bats of the Genus PipistrellusWalter Woelber Dalquest
- eBookA Synopsis of the American Bats of the Genus PipistrellusE. Raymond (Eugene Raymond) Hall
- eBookGeographic Range of the Hooded Skunk, Mephitis macroura With Description of a New Subspecies from MexicoE. Raymond (Eugene Raymond) Hall
- eBookTadarida femorosacca (Merriam) in Tamaulipas, MexicoE. Raymond (Eugene Raymond) Hall
- eBookA Synopsis of the American Bats of the Genus PipistrellusWalter Woelber Dalquest
- eBookA New Doglike Carnivore, Genus Cynarctus, From the Clarendonian, Pliocene, of TexasE. Raymond (Eugene Raymond) Hall