by T. A. Conrad
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American marine conchology
Fossil shells of the Tertiary formations...
Monography of the family Unionidæ
Monography of the family Unionidae, or N...
New fresh water shells of the United Sta...
Reprint of Conrad's Jackson Eocene fossi...
Geology and paleontology of Canal Zone a...
Aphra Behn, the imcomparable Astrea
Geological Observations on South America
A manual of the Mollusca
Kingdom of the seashell
... The Marine Cretaceous Invertebrates