Books by Howard C. Spencer:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Spencer, Howard C.: Toxicological studies on beryllium oxides and beryllium-containing exhaust products (Wright-Patterson Air Force Base, Ohio : Aerospace Medical Research Laboratories, Aerospace Medical Division, Air Force Systems Command, United States Air Force, 1967., 1967), also by Susan B. McCollister, Judith A. Blumenshine, Robert H. Hook, Judith C. Jones, Salah E. Sadek, Dow Chemical Company, and Aerospace Medical Research Laboratories (U.S.) (page images at HathiTrust)- Spencer, Howard C.: Toxicological studies on beryllium oxides and beryllium-containing exhaust products (Wright-Patterson Air Force Base, Ohio : Aerospace Medical Research Laboratories, Aerospace Medical Division, Air Force Systems Command, United States Air Force, 1968., 1968), also by Judith C. Jones, Salah E. Sadek, Susan B. McCollister, Judith A. Blumenshine, Robert H. Hook, Dow Chemical Company, and Aerospace Medical Research Laboratories (U.S.) (page images at HathiTrust)
Find more by Howard C. Spencer at your library, or elsewhere.