| Caloptilia elongella (Linnaeus, 1761) | Lithuania | Ivinskis, P., Pakalniškis, S. & Puplesis, R. 1985. Augalus minuojantys vabzdziai. page: 79 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Romania | Draghia, I. 1972. Insectes mineurs de l'entomofaune du "Grind" de Caraorman, Delta du Danube. page: 223 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Italy | Hartig, F. 1956. Prodromus dei Microlepidotteri della Venezia Tridentina e delle regioni adiacenti. page: 167 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Finland | Kerppola, S. 1997. Pikkuperhostiedonannot 1995 [Records of Microlepidoptera from Finland 1995 (Lepidoptera: Micropterigidae-Limacodidae)]. page: 51 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Italy | Hartig, F. 1939. Sulla Minefauna della Venezia Tridentina. page: 20 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Czech Republic | Jaroš, J. & Spitzer, K. 2002. Food plants of Lepidoptera associated with an alder carr forest in South Bohemia (Central Europe). page: 8 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) |  | Skala, H. 1937b. Einiges über Falter-Minen aus dem Mediterrangebiet. page: 109 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Austria | Mitterberger, K. 1909. Verzeichnis der im Kronlande Salzburg bisher beobachteten Mikrolepidopteren. page: 279 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Poland | Büttner, F. O. 1880. Die pommerschen, insbesondere die Stettiner Mikrolepidoptern [sic]. page: 451 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Denmark | Larsen, C. S. 1916. Fortegnelse over Danmarks Microlepidoptera. page: 211 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Poland | Buszko, J. & Baraniak, E. 1989. Studies on the mining Lepidoptera of Poland. IV. Mining Lepidoptera of the Bielinek Reserve. page: 228 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Switzerland | Frey, H. 1856. Die Tineen and Pterophoren der Schweiz. page: 235 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Norway | Opheim, M. 1977. Revision of Microlepidoptera in the collections of Zoological Museum, Oslo I. page: 7 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Belgium | Dufrane, A. 1944. Microlépidoptères de la faune belge (4e note). page: 11 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Slovakia | Hrubý, K. 1964. Prodromus Lepidopterorum Slovaciae. page: 215 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Austria | Skala, H. 1935b. Zur Minenfauna Oberösterreichs. page: 65 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Germany | Treitschke, F. 1833. Die Schmetterlinge von Europa (Fortsetzung des Ochsenheimer'schen Werks). Schaben – Geistchen. G. Hypsolopha – Orneodes. page: 202 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Latvia | Lienig, F. 1846. Lepidopterische Fauna von Lievland und Curland. page: 297 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | United Kingdom | Brown, S. C. S. 1947. Caloptilia Hübn., a genus of Tineina. page: 162 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Italy | Hartig, F. 1939. Sulla Minefauna della Venezia Tridentina. page: 20 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Sweden | Benander, P. 1944. Sveriges Lithocolletider (Gracilariidae) [sic]. page: 134 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Poland | Buszko, J. 1990. Studies on the mining Lepidoptera of Poland. X. Mining Lepidoptera of Torun and surrounding areas. page: 396 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | United Kingdom | Wood, J. H. 1890. Notes on Gracilaria [sic] populetorum, elongella, and falconipennella. page: 135 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Lithuania | Ivinskis, P. & Pakalniškis, S. 1984. Microlepidoptera of Lithuania (Gracillariidae). page: 27 | 
                
                
                
                
                    | Caloptilia elongella (Linnaeus, 1761) | Belgium | De Fré, C. 1858. Catalogue des Microlépidoptères de la Belgique. page: 145 |