19,097 references
Emerton, J. H. (1919c). Notes on the spiders collected by Frits Johansen of the Danmark Expedition 1906-08 to northeastern Greenland, latitude 76 1/2 deg to 77 deg North. Videnskabelige Meddelelser fra den Naturhistoriske Forening i Kjøbenhavn 70: 143-145. -- Show included taxa
Brændegaard, J. (1920). The male of Thanatus striatus C. L. Koch (Aran. Philodrom.) found for the first time. Entomologiske Meddelelser 13: 189-191. -- Show included taxa
Emerton, J. H. (1920). Catalogue of the spiders of Canada known to the year 1919. Transactions of the Royal Canadian Institute, Toronto 12: 309-338. -- Show included taxa
Franganillo B., P. (1920). Contribution à l'étude des arachnides du Portugal. Boletim da Sociedade Portuguesa de Ciencias Naturais 8: 138-144. -- Show included taxa
Petrunkevitch, A. (1920). Description of Orchestina saltitans Banks (Arachnida). Journal of the New York Entomological Society 28: 157-160. -- Show included taxa
Strand, E. (1920). Arachniden aus Belgisch Kongo. I. (Pedipalpen, Aviculariidae, Argiopidae, Clubionidae und Pisauridae). Archiv für Naturgeschichte 85(A12): 98-113. -- Show included taxa
Tucker, R. W. E. (1920). Contributions to the South African Arachnid Fauna. II. On some new South African spiders of the families Barychelidae, Dipluridae, Eresidae, Zodariidae, Heracliidae, Urocteidae, Clubionidae. Annals of the South African Museum 17: 439-488, pl. 28-29. -- Show included taxa
Berland, L. (1920a). Diagnoses préliminaires d'araignées d'Afrique orientale. Voyage de Ch. Alluaud et R. Jeannel (1re note). Bulletin de la Société Entomologique de France 24(19, 1919): 347-350. doi: 10.3406/bsef.1919.26518 -- Show included taxa
Chamberlin, R. V. (1920a). New spiders from Utah. The Canadian Entomologist 52(9): 193-201. doi: 10.4039/Ent52193-9 -- Show included taxa
Dalmas, R. de (1920a). Liste d'araignées de Boudron en Asie Mineure suive d'une étude des espèces méditerranéennes du genre Habrocestum. Annali del Museo Civico di Storia Naturale di Genova 49: 57-69. -- Show included taxa
Hull, J. E. (1920a). The spider family Linyphiidae: an essay in taxonomy. The Vasculum 6: 7-11. -- Show included taxa
Kishida, K. (1920a). Netes [sic] on Yamia watasei, a new spider of the family Aviculariidae. Zoological Magazine,Tokyo 32: 299-307. -- Show included taxa
Mello-Leitão, C. F. de (1920a). An interesting new genus of Aviculariidae. Annals and Magazine of Natural History (9) 6(31): 141-143. doi: 10.1080/00222932008632425 -- Show included taxa
Rainbow, W. J. (1920a). Trap-door spiders of the "Chevert" Expedition. Records of the Australian Museum 13(3): 77-85. doi: 10.3853/j.0067-1975.13.1920.857 -- Show included taxa
Berland, L. (1920b). Note sur une araignée de Madagascar (Nemoscolus waterloti nov. sp.) et sur son industrie. Bulletin du Muséum National d'Histoire Naturelle de Paris 26: 384-387. -- Show included taxa
Chamberlin, R. V. (1920b). South American Arachnida, chiefly from the Guano Islands of Peru. Bulletin of the Brooklyn Institute of Arts and Sciences 3: 35-44. -- Show included taxa
Dalmas, R. de (1920b). Deux nouveaux genres d'araignées de la famille des Gnaphosidae. Bulletin du Muséum National d'Histoire Naturelle de Paris 26: 119-124. -- Show included taxa
Hull, J. E. (1920b). Blackwall's Spiders of Great Britain & Ireland. The Vasculum 6(2): 29-32. -- Show included taxa
Kishida, K. (1920b). [no English title]. Zoological Magazine,Tokyo 32: 362. -- Show included taxa
Mello-Leitão, C. F. de (1920b). Tetrapneumones trionychias novas do Brasil. Revista de Sciencias 4: 58-60. -- Show included taxa
Rainbow, W. J. (1920b). Arachnida from Lord Howe and Norfolk Islands. Records of the South Australian Museum 1(3): 229-272, pl. 28-31. -- Show included taxa
Berland, L. (1920c). Arachnides. Araneae (2e partie). In: Voyage de Ch. Alluaud et R. Jeannel en Afrique Orientale (1911-1912). Résultats scientifiques. IV. L. Lhomme, Paris, pp. 95-180. -- Show included taxa
Chamberlin, R. V. (1920c). The spiders of Saltair Beach (Arach., Aran.). Entomological News 31: 165-169. -- Show included taxa
Mello-Leitão, C. F. de (1920c). Algumas aranhas novas. Revista da Sociedade Brasileira de Sciencias 3: 169-176. -- Show included taxa
Chamberlin, R. V. (1920d). A new American Amaurobius (Arachnida, Araneina). Entomological News 31: 293. -- Show included taxa