The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- G. S. Miller, Jr. 1942. Zoological results of the George Vanderbilt Sumatran Expedition, 1936-1939. Part V.—Mammals collected by Frederick A. Ulmer, Jr. on Sumatra and Nias. Proceedings of the Academy of Natural Sciences of Philadelphia 44:107-165