Books by Waldemar C. Dreessen:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Dreessen, Waldemar C. (Waldemar Claus), 1904-: Health and working environment of nonferrous metal mine workers (United States Government Printing Office, 1942), also by United States Public Health Service, National Institutes of Health (U.S.). Division of Industrial Hygiene, and Utah. State Board of Health (page images at HathiTrust)
Find more by Waldemar C. Dreessen at your library, or elsewhere.