Books by Per Christiansen:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Christiansen, Per: How to make tools (Peace Corps, Information Collection and Exchange, 1981), also by Bernard Zubrowski and Peace Corps (U.S.). Information Collection and Exchange (page images at HathiTrust)- Christiansen, Per: Preserving food by drying : a math-science teaching manual (Peace Corps, Information Collection and Exchange, 1984), also by Cynthia Fahy, Carl Vogel, Program Designs for Educators/Chevrons, and Peace Corps (U.S.). Information Collection and Exchange (page images at HathiTrust)
- Christiansen, Per: Preserving food by drying : a math-science teaching manual (Peace Corps Information Collection and Exchange, 1982), also by Cynthia Fahy, Carl Vogel, and Peace Corps (U.S.). Information Collection and Exchange (page images at HathiTrust)
Find more by Per Christiansen at your library, or elsewhere.