6 treff

The birds of Chile
by Charles E. Hellmayr, Wilfred H. Osgood...
Bok Engelsk 1932
Birds of the James Simpson-Roosevelts Asiatic expedition
By Charles E. Hellmayr
Bok Engelsk 1929
A contribution to the ornithology of Northeastern Brazil
Charles E. Hellmayr
Bok Engelsk 1929
Catalogue of birds of the Americas and the adjacent islands in Field museum of natural history
by Charles B. Corey and Charles E. Hellma...
Bok Engelsk 1918
Nomenclator der Vögel Bayerns
Hellmayr, Charles E.
Bok Tysk 1916
The Birds of the Rio Madeira
Hellmayr, Charles E.
Bok Engelsk 1910