Zoology in 1971

The Physiology of the Locust Ear (I-III) by Michelsen, Axel

Manteltiere, Schädellose, Rundmäuler by Fechter, Hubert

Die Käfer Mitteleuropas, Bd.3: Adephaga II, Palpicornia by

Chromosome Atlas: Fish, Amphibians, Reptiles and Birds: Volume 1 by Benirschke, Kurt, Hsu, Tao C.

Max Schönwetter: Handbuch Der Oologie. Lieferung 17 by Schönwetter, Max

Max Schönwetter: Handbuch Der Oologie. Lieferung 18 by Schönwetter, Max

Bees: Their Vision, Chemical Senses, and Language by Von Frisch, Karl