Bibliographic index of American and Ordovician fossils - 1915
Cirripedia from the Panama Canal Zone - 1918
The biological character and geologic correlation of the sedimentary formations of Panama in their relation to the geologic history of Central America and the West Indies - 1919
The Pleistocene vertebrate fauna from Cumberland Cave, Maryland - 1938
Catalog of Living Whales - 1966
New Species of Extinct Miocene Sirenia - 1966
Supplement to description of Parietobalaena palmeri - 1968