Books by John H. Fryer:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Fryer, John H. (John Henry): Genetics of pitch pine (Forest Service, U.S. Dept. of Agriculture, 1974), also by F. Thomas Ledig (page images at HathiTrust)
Find more by John H. Fryer at your library, or elsewhere.