A text-book of geology

Catalogue Of The Type And Figured Specimens Of Fossils, Minerals, Rocks, And Ores In The Department Of Geology, United States National Museum

Directions for Collecting and Preparing Fossils

Revision of Paleozoic Stelleroidea, with Special Reference to North American Asteroidea

Field Notebook

Synopsis of American Fossil Brachiopoda Including Bibliography and Synonymy

Brachiopod Genera of the Suborders Orthoidea and Pentameroidea Volume 4. Pt. 1