Books by Edgar Leigh Collis:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Collis, Edgar Leigh, 1870-: The health of the industrial worker (J. & A. Churchill, 1921), also by Arthur John Collis and Major Greenwood (page images at HathiTrust)- Collis, Edgar Leigh, 1870-: The Journal of industrial hygiene and toxicology. v.1-31. (The Williams & Wilkins company [etc., etc., 1919), also by Albert Frank Stanley Kent and David Linn Edsall (page images at HathiTrust)
Find more by Edgar Leigh Collis at your library, or elsewhere.