Orchids of Peru / Charles Schweinfurth.

v.30:no.2(1959)

Orchids of Peru / Charles Schweinfurth.

v.30:no.3(1960)

Orchids of Peru / Charles Schweinfurth.

v.30:no.1(1958)

Orchids of Peru / Charles Schweinfurth.

v.30:no.4(1961)

The birds of eastern North America known to occur east of the ninetieth meridian ... by Charles B. Cory ...

pt.2

The birds of eastern North America known to occur east of the ninetieth meridian ... by Charles B. Cory ...

pt.1

Descriptions of apparently new South American birds, with notes on some little known species; by Charles B. Cory ...

v.1:no.10(1916)

Notes on South American birds, with descriptions of new subspecies / Charles B. Cory.

v.1:no.9(1915)

Contents and index to volume 7, numbers 1 to 12, Zoological series / Charles B. Cory.

v.7:no.13(1912)

The mammals of Illinois and Wisconsin, by Charles B. Cory ...

v.11(1912)

Contents and index to volume 1 / Charles B. Cory.

v.1:no.11(1917)

First supplement to the Orchids of Peru / Charles Schweinfurth.

v.33(1970)