- Cărți electroniceNew Subspecies of the Rodent Baiomys From Central America University of Kansas Publications, Museum of Natural HistoryRobert L. Packard
- Cărți electroniceNew Subspecies of the Rodent Baiomys from Central AmericaRobert L. Packard
- Cărți electroniceNew Subspecies of the Rodent Baiomys from Central AmericaRobert L. Packard
- Cărți electroniceSpeciation and Evolution of the Pygmy Mice, Genus BaiomysRobert L. Packard