Books by Hugh S. Spence:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Spence, Hugh S. (Hugh Swaine), 1885-: Mica. (F. A. Acland, printer, 1929), also by Canada. Mines Branch (page images at HathiTrust)- Spence, Hugh S. (Hugh Swaine), 1885-: Mica, its occurrence, exploitation, and uses (Government Printing Bureau, 1912), also by Fritz Cirkel and Canada. Mines Branch (1901-1936) (page images at HathiTrust)
- Spence, Hugh S. (Hugh Swaine), 1885-: Talc, steatite and soapstone; pyrophyllite (J. O. Patenaude, 1940), also by Canada. Mines Branch (page images at HathiTrust)
Find more by Hugh S. Spence at your library, or elsewhere.