Books by William A. J. Claus:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Claus, William A. J., 1862-: Climbing up to nature (The C.M. Clark Publishing Company, 1908), also by Florence J. Lewis, May A. Claus, William Kirkpatrick, and C.M. Clark Publishing Co (page images at HathiTrust)
Find more by William A. J. Claus at your library, or elsewhere.