Books by H. Phelps Clawson:
Books in the extended shelves:
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Clawson, H. Phelps (Hamilton Phelps), 1892-1975: By their works, illustrated from the collections in the Buffalo museum of science (Buffalo society of natural sciences, 1941), also by Buffalo Society of Natural Sciences and Buffalo Museum of Science (page images at HathiTrust)- Clawson, H. Phelps (Hamilton Phelps), 1892-1975: Questings (E. Mathews, 1926) (page images at HathiTrust)
Find more by H. Phelps Clawson at your library, or elsewhere.