Requested reference
Wallace, H. K. (1942a). A revision of the burrowing spiders of the genus Geolycosa. American Midland Naturalist 27: 1-62. 
-- Show included taxa
Wallace, H. K. (1942a). A revision of the burrowing spiders of the genus Geolycosa. American Midland Naturalist 27: 1-62. -- Show included taxa