Books by Joseph Willis Beard:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Beard, Joseph Willis, 1901-: International Conference on Avian Tumor Viruses; [proceedings. (U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Cancer Institute;, 1964), also by N.C.) International Conference on Avian Tumor Viruses (1964 : Durham and National Cancer Institute (U.S.) (page images at HathiTrust)
Find more by Joseph Willis Beard at your library, or elsewhere.