Studies in bird migration Clarke, William Eagle, 1853-1938 creator text book London Gurney and Jackson; [etc., etc.] 1912 1912
print
ENG 59.82:15.2 Birds Great Britain Migration QL698 .C6 1912 https://www.biodiversitylibrary.org/bibliography/8407 4244168 12024220 10.5962/bhl.title.8407 DLC