Books by A. S. Ahl:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Ahl, A. S. (Alwynelle Self): Proceedings of the International Seminar on Animal Import Risk Analysis : Sunday, August 11, 1991, Carleton University, Ottawa, Ontario, Canada (USDA?, 1991), also by Ont.) International Seminar on Animal Import Risk Analysis (1991 : Ottawa, J. A. Acree, and United States. Animal and Plant Health Inspection Service (page images at HathiTrust)
Find more by A. S. Ahl at your library, or elsewhere.