Columbia subject headings:
Harvard subject headings:
Fuertes, Louis Agassiz, 1874-1927
Ornithologists--United States--Correspondence.
Sutton, George Miksch, 1898-1982
Princeton subject headings:
Fuertes, Louis Agassiz, 1874-1927.
Ornithologists--United States--Correspondence.
Sutton, George Miksch, 1898-1982.