BioStor
 | Datos para el conocimiento de la distribucion geografica de los Dipteros de Espana J Arias Encobet (1912) Memorias de la Real Sociedad Espanola de Historia Natural 7: 61-246 |
 | A preliminary classification of Diptera, exclusive of Pupipara, based upon larval and pupal characters, with keys to imagines in certain familis. 1 Malloch J.R. (1917) Illinois State Laboratory of Natural History Bulletin 12: 161-409 |
 | Catalogue of Oriental and South Asiatic Nemocera E Brunetti (1920) Records of the Indian Museum 17: 1-300 |
 | A list of the crane-flies taken in the vicinity of Hazleton, Pennsylvania (Diptera) W G Dietz (1921) Transactions of the American Entomological Society 47: 233-268 |
 | Studien über palaearktische, vorwiegend holländische, Limnobiiden, insbesondere über ihre Kopulationsorgane (Schluss) J C H De Meijere (1921) Tijdschrift voor Entomologie 64: 54-118 |