Elzen R. van den, Frahnert S., Quaisser C., 2005: A digital catalogue of primary type specimens in German ornitological collections – a three year project running within GBIF – Germany – Vertebrata. 9 pp. Zoologische Mededelingen Leiden 79 (3): 97-105.
 
AVE 101
Endes M., Horváth L., Hüttler B., 1967: The life history of the Hungarian Short-toed Lark, Calandrella cinerea hungarica Horváth, 1956, in Hortobágy, Hungary. 16 pp.
 
81290
Enemar A., 1963: The density of birds in the subalpine birch forest of the Abisko area Swedish Lapland, in 1961. 21 pp. (in English). Lunds Universitets Arsskrift 58(12): 1-21.
 
ZME 793173
Ericson P. G. P., 2005: Evolution and biogeography of suboscine birds analysed by DNA sequence data – a research program at the Swedish Museum of Natural History. 2 pp. Zoologische Mededelingen Leiden 79 (3): 173-174.
 
81293
Eversmann E., 1853: Noch ein kleiner Beitrag zur Mammalogie und Ornithologie des Russischen Reiches. 14 pp. (in German).