Banks, N. (1892a). The spider fauna of the Upper Cayuga Lake Basin. Proceedings of the Academy of Natural Sciences of Philadelphia 44: 11-81, pl. 1-5. -- Show included taxa

Banks, N. (1910). Catalogue of Nearctic spiders. Bulletin, United States National Museum 72: 1-80. -- Show included taxa

Chamberlin, R. V. (1922). The North American spiders of the family Gnaphosidae. Proceedings of the Biological Society of Washington 35: 145-171. -- Show included taxa

Comstock, J. H. (1912). The spider book. A manual for the study of the spiders and their near relatives, the scorpions, pseudoscorpions, whipscorpions, harvestmen and other members of the class Arachnida, found in America north of Mexico, with analytical keys for their classification and popular accounts of their habits. Doubleday, Page & Company, Garden City/New York, 721 pp. doi:10.5962/bhl.title.3163 -- Show included taxa

Comstock, J. H. (1940). The spider book, revised and edited by W. J. Gertsch. Cornell Univ. Press, Ithaca, 727 pp. -- Show included taxa

Emerton, J. H. (1909). Supplement to the New England Spiders. Transactions of the Connecticut Academy of Arts and Sciences 14: 171-236. -- Show included taxa

Emerton, J. H. (1911). New spiders from New England. Transactions of the Connecticut Academy of Arts and Sciences 16: 383-407. -- Show included taxa

Heiss, J. S. & Allen, R. T. (1986). The Gnaphosidae of Arkansas. Bulletin, Agricultural Experiment Station, University of Arkansas 885: 1-67. -- Show included taxa

Kaston, B. J. (1948). Spiders of Connecticut. Bulletin of the Connecticut State Geological and Natural History Survey 70: 1-874. -- Show included taxa

Petrunkevitch, A. (1910). Some new or little known American Spiders. Annals of the New York Academy of Science 19: 205-224, pl. 21-22. -- Show included taxa

Petrunkevitch, A. (1911). A synonymic index-catalogue of spiders of North, Central and South America with all adjacent islands, Greenland, Bermuda, West Indies, Terra del Fuego, Galapagos, etc. Bulletin of the American Museum of Natural History 29: 1-791. -- Show included taxa

Platnick, N. I. & Shadab, M. U. (1982a). A revision of the American spiders of the genus Drassyllus (Araneae, Gnaphosidae). Bulletin of the American Museum of Natural History 173: 1-97. -- Show included taxa

Platnick, N. I. & Dondale, C. D. (1992). The insects and arachnids of Canada, Part 19. The ground spiders of Canada and Alaska (Araneae: Gnaphosidae). Research Branch Agriculture Canada Publication 1875: 1-297. -- Show included taxa