Hog lice and hog mange : methods of control and eradication /
Kemper, H. E.(Harry Elvin),1888-
Peterson, H. O.(Harold O.),1906-
United States.Department of Agriculture.
Washington, D.C. : U.S. Dept. of Agriculture,
1952.
Originally issued May 1920.
Revision of former editions by Dr. Marion Imes.
Hog lice
Scabies.
Swine
Swine