Abstracts of bulletins 503-522, circulars 73-76, and other publications during 1935 /

Autor Jackson, A. D.
Vydáno 1936

Abstracts of bulletins 523-538, circulars 77-78, and other publications during 1936 /

Autor Jackson, A. D.
Vydáno 1937

Abstracts of bulletins 539-557, circulars 79-80, and other publications during 1937 /

Autor Jackson, A. D.
Vydáno 1938