Person
Packer, R. A. (Raymond Allen), 1914-
Catalogue
- Books
European animal diseases brought to the New World / R. Allen Packer.
Packer, R. A. (Raymond Allen), 1914-Date: 1995- Books
Handbook for the etiology, diagnosis and control of infectious bovine mastitis / by Ival Arthur Merchant and R. Allen Packer.
Merchant, Ival Arthur, 1898-1985.Date: [1944], ©1944