by Charles D. Walcott
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Cambrian Geology and Paleontology
Cambrian geology and paleontology
Second contribution to the studies on th...
On the Cambrian faunas of North America
Pre-Cambrian Igneous Rocks of the Unkar ...
Descriptive notes of new genera and spec...
Trilobite
Monograph of the British Carboniferous T...
Studies in evolution
Treatise on Invertebrate Paleontology
Histoire naturelle des crustacés
The paleontology of the Niagaran limesto...