Environmental Studies in 1941

Ebbe Und Flut: Ihre Entstehung Und Ihre Wandlungen by Thorade, Hermann

Der Seehafen Von Bangkok: Thailand by Agatz, Arnold

Conservation of Renewable Natural Resources: Some Fundamental Aspects of the Problem by Cooper, William S., Zon, Raphael

Meteorological Instruments: Third Edition by Middleton, W. E. K., Spilhaus, A. F.