Becker, L. (1896). Les arachnides de Belgique, deuxième et troisième parties. Annales du Musée Royal d'Histoire Naturelle de Belgique 12(2): 1-127, pl. 1-25 & 12(3): 1-378, pl. 1-18. doi:10.5962/bhl.title.48721 -- Show included taxa

Bösenberg, W. (1902). Die Spinnen Deutschlands. II-IV. Zoologica (Stuttgart) 14(2-4): 97-384, pl. 9-36. doi:10.5962/bhl.title.6508 -- Show included taxa

Chyzer, C. & Kulczyński, W. (1894). Araneae Hungariae. Tomus II. Academia Scientarum Hungaricae, Budapest, pp. 1-151, Pl. I-V. -- Show included taxa

Heimer, S. & Nentwig, W. (1991). Spinnen Mitteleuropas: Ein Bestimmungsbuch. Paul Parey, Berlin, 543 pp. -- Show included taxa

Kulczyński, W. (1905a). Fragmenta arachnologica. I-IV. Bulletin International de l'Academie des Sciences de Cracovie 1904: 533-568. -- Show included taxa

Le Peru, B. (2011). The spiders of Europe, a synthesis of data: Volume 1 Atypidae to Theridiidae. Mémoires de la Société Linnéenne de Lyon 2: 1-522. -- Show included taxa

Levi, H. W. (1956b). The spider genera Neottiura and Anelosimus in America (Araneae: Theridiidae). Transactions of the American Microscopical Society 75(4): 407-422. doi:10.2307/3223613 -- Show included taxa

Locket, G. H. & Millidge, A. F. (1953). British spiders. Vol. II. Ray Society, London, 449 pp. -- Show included taxa

Mcheidze, T. S. (1997). [Spiders of Georgia: Systematics, Ecology, Zoogeographic Review]. Tbilisi University, 390 pp. (in Georgian). [English version published by Otto (2014) available here] -- Show included taxa

Roberts, M. J. (1985). The spiders of Great Britain and Ireland, Volume 1: Atypidae to Theridiosomatidae. Harley Books, Colchester, England, 229 pp. -- Show included taxa

Roberts, M. J. (1995). Collins Field Guide: Spiders of Britain & Northern Europe. HarperCollins, London, 383 pp. -- Show included taxa

Roberts, M. J. (1998). Spinnengids. Tirion, Baarn, Netherlands, 397 pp. -- Show included taxa

Simon, E. (1914). Les arachnides de France. Synopsis générale et catalogue des espèces françaises de l'ordre des Araneae. Tome VI. 1re partie. Roret, Paris, pp. 1-308. -- Show included taxa

Tystshenko, V. P. (1971). Opredelitel' paukov evropejskoj chasti SSSR. Leningrad, 281 pp. -- Show included taxa

Walckenaer, C. A. (1802). Faune parisienne. Insectes. Ou histoire abrégée des insectes de environs de Paris, classés d'après le système de Fabricius. Tome seconde. Dentu, Paris, pp. 187-250, 428-430. doi:10.5962/bhl.title.8151 -- Show included taxa

Walckenaer, C. A. (1805). Tableau des aranéides ou caractères essentiels des tribus, genres, familles et races que renferme le genre Aranea de Linné, avec la désignation des espèces comprises dans chacune de ces divisions. Dentu, Paris, 88 pp. -- Show included taxa

Walckenaer, C. A. (1841). Histoire naturelle des Insects. Aptères. Tome deuxième. Roret, Paris, 549 pp., pl. 16-22. [not published in 1837, see pp. 430, 452, 505; plates in second pdf of Walckenaer, 1837] doi:10.5962/bhl.title.61095 -- Show included taxa

Wiehle, H. (1937). Spinnentiere oder Arachnoidea. 26. Familie. Theridiidae oder Haubennetzspinnen (Kugelspinnen). Die Tierwelt Deutschlands 33: 119-222. -- Show included taxa

Wunderlich, J. (2008b). On extant and fossil (Eocene) European comb-footed spiders (Araneae: Theridiidae), with notes on their subfamilies, and with descriptions of new taxa. Beiträge zur Araneologie 5: 140-469, 792-794, 796-800, 803, 819-859. -- Show included taxa