Books by Raymond C. Osburn
Bryozoa of the Pacific coast of America
Bryozoa of the Allan Hancock A
Bryozoa of the Allan Hancock Atlantic Expedition, 1939
A new Cornucopina (Bryozoa) fr
A new Cornucopina (Bryozoa) from the West Indies
Bryozoa of Porto Rico
Bryozoa of Porto Rico
Bryozoa of the Crocker land ex
Bryozoa of the Crocker land expedition
The origin of the vertebrate limbs
The fishes of Ohio