Agnarsson, I., Coddington, J. A. & Knoflach, B. (2007). Morphology and evolution of cobweb spider male genitalia (Araneae, Theridiidae). Journal of Arachnology 35(2): 334-395. doi:10.1636/SH-06-36.1 -- 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

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

Emerton, J. H. (1882). New England spiders of the family Theridiidae. Transactions of the Connecticut Academy of Arts and Sciences 6: 1-86. -- Show included taxa

Emerton, J. H. (1902). The common spiders of the United States. Boston, 225 pp. doi:10.5962/bhl.title.5617 -- 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

Kaston, B. J. (1977). Supplement to the spiders of Connecticut. Journal of Arachnology 4: 1-72. -- Show included taxa

Keyserling, E. (1886b). Die Spinnen Amerikas. Theridiidae. II. Hälfte. Bauer & Raspe, Nürnberg, 295 pp., pl. 11-21. doi:10.5962/bhl.title.64832 -- Show included taxa

Levi, H. W. (1954c). The spider genus Theridula in North and Central America and the West Indies (Araneae: Theridiidae). Transactions of the American Microscopical Society 73(4): 331-343. doi:10.2307/3223578 -- Show included taxa

Levi, H. W. (1961). Evolutionary trends in the development of palpal sclerites in the spider family Theridiidae. Journal of Morphology 108: 1-10. -- Show included taxa

Levi, H. W. & Levi, L. R. (1962). The genera of the spider family Theridiidae. Bulletin of the Museum of Comparative Zoology 127(1): 1-71, pl. 1-14. -- Show included taxa

Levi, H. W. & Randolph, D. E. (1975). A key and checklist of American spiders of the family Theridiidae north of Mexico (Araneae). Journal of Arachnology 3: 31-51. -- Show included taxa

Paquin, P. & Dupérré, N. (2003). Guide d'identification des araignées de Québec. Fabreries, Supplement 11: 1-251. -- Show included taxa

Roth, V. D. (1982). Handbook for spider identification. Published by the author, Portal, Arizona, 128 pp. -- Show included taxa

Roth, V. D. (1985). Spider genera of North America. American Arachnological Society, Gainesville. -- Show included taxa

Roth, V. D. (1994). Spider Genera of North America, with Keys to Families and Genera, and a Guide to Literature, third edition. American Arachnological Society, Gainesville, 203 pp. -- Show included taxa