Tuberculosis eradication under the accredited-herd plan : herd list no. 3, list of herds, all breeds, officially accredited as free from tuberculosis
1920
Tuberculosis eradication under the accredited-herd plan : herd list no. 3, list of herds, all breeds, officially accredited as free from tuberculosis
United States. Bureau of Animal Industry
1920
"Contribution from the Bureau of Animal Industry." Rev. to June 30, 1920
