7,776 references
Chamberlin, R.V. (1920). South American Arachnida, chiefly from the guano islands of Peru. Brooklyn Museum, The Brooklyn Institute of Arts and Sciences, Science Bulletin 3: 35–44. -- Show included taxa
Cockerell, T.D.A. (1920). Fossil arthropods in the British Museum.-I. Annals and Magazine of Natural History (9) 5: 273–279. -- Show included taxa
Frickhinger, H.W. (1920). Chelifer cancroides als Feind der Bettwanze (Cimex lectularius L.). Zeitschrift für Angewandte Entomologie 6: 170–171. -- Show included taxa
Menozzi (as Minozzi), C. (1920). Nota complementare alla topografia e alla fauna della grotta di S. Maria M. sul monte Vallestra.. Atti della Società dei Naturaliste e Matematici, Modena (5) 5: 70–74. -- Show included taxa
Porter, C.E. (1920). Sobre algunos Artropodos colectados en diversas localidates del pais pos los Señores J.N. Thomas, Jose F. Campo, J.A. Wolfssohn, R. Barros, V., etc. Revista Chilena de Historia Natural 24: 153–160. -- Show included taxa
Strand, E. (1920). Arachniden aus Belgisch Kongo. I. (Pedipalpen, Aviculariidae, Argiopidae, Clubionidae und Pisauridae). Archiv für Naturgeschichte 85A: 98–113. -- Show included taxa
Berlese, A. (1921). Acari, Myriopoda et Pseudoscorpiones hucusque in Italia reperta. Redia 14: 77–106. -- Show included taxa
Börner, C. (1921). Die Gliedmassen der Arthropoden. In: Lang, A. (ed.) Handbuch der Morphologie der Wirbellosen Tiere Gustav Fischer, Jena 4: 649–694. -- Show included taxa
Chamberlin, J.C. (1921). Notes on the genus Garypus in North America (Pseudoscorpionida - Cheliferidae). Canadian Entomologist 53: 186–191. -- Show included taxa
Fage, L. (1921a). Travaux scientifiques de l'Armée d'Orient (1916–1918). Arachnides. Bulletin du Muséum National d'Histoire Naturelle, Paris 27: 96–102, 173–177, 227–232. -- Show included taxa
Fage, L. (1921b). Sur une nouvelle espèce du genre Cryptocellus (Arach.: Ricinulei). Bulletin du Muséum National d'Histoire Naturelle, Paris 27: 526–530. -- Show included taxa
Godfrey, R. (1921). False scorpions. South African Journal of Natural History 2: 118–120. -- Show included taxa
Grimpe, G. (1921). Chelifer als Schmarotzer. Naturwissenschaftliche Wochenschrift (NF) 20: 628–631. -- Show included taxa
Hansen, H.J. (1921). The Pedipalpi, Ricinulei, and Opiliones (exc. Op. Laniatores) collected by Mr. Leonardo Fea in tropical West Africa and adjacent islands. In: Studies on Arthropoda Gyldendalske Boghandel, Kjøbenhavn 1: 1–55. -- Show included taxa
Hewitt, J. (1921). On some lizards and arachnids of Natal. Annals of the Durban Museum 3: 3–11. -- Show included taxa
Kew, H.W. (1921). Chelifer scorpioides Herm., a false-scorpion new to the Irish fauna. Irish Naturalist 30: 62. -- Show included taxa
Moles, M.L. (1921). A list of California Arachnida. II. Pedipalpida or whip-scorpions. Journal of Entomology and Zoology, Pomona College 13: 11. -- Show included taxa
Moles, M. & Moore, W. (1921). A list of California Arachnida. I. Pseudoscorpionida. Journal of Entomology and Zoology, Pomona College 13: 6–9. -- Show included taxa
Navás, L. (1921). Mis excursiones científicas del Verano de 1919. Memorias de la Real Academia de Ciencias y Artes de Barcelona (3) 17: 143–169. -- Show included taxa
Nesbet, J. (1921). A list of California Arachnida. IV. Solpugida. Journal of Entomology and Zoology, Pomona College 14: 14–15. -- Show included taxa
Alfonsus, A. (1922). An enemy of the mites in the bee-hive. Bee World 4: 2–3. -- Show included taxa
Birula, A. (1922). Revisio analytica specierum asiaticarum generis Karschia Walter (Arachnoidea, Solifugae). Annuaire du Musée Zoologique de l'Académie Impériale des Sciences de St.-Pétersbourg (Petrograd) 23: 197–201. -- Show included taxa
Bristowe, W.S. (1922). Spiders found in the neighbourhood of Oxshott. Proceedings of the South London Entomological and Natural History Society 1922: 1–11. -- Show included taxa
Caporiacco, L. di (1922). Saggio sulla fauna aracnologica della Carnia e regioni limitrofe. Memoire della Società Entomologica Italiana 1: 60–111. -- Show included taxa
Chamberlin, R.V. (1922). Two new American arachnids of the order Pedipalpida. Proceedings of the Biological Society of Washington 35: 11–12. -- Show included taxa