Studies in Bird Migration, Being the Collected Papers of H. Chr. C. Mortensen, 1856-1921
1950 · Copenhagen
by Mortensen, H. Chr. C.
Copenhagen: Munksgaard, 1950. Edited by Poul Jespersen & Ã
. Vedel TÃ¥ning. 270 [2]p., b/w illus., original stiff wrappers, partially unopened. (Inventory #: 004834)