Sheep tick and its eradication by dipping
Imes, Marion
Sheep tick and its eradication by dipping - Washington 1917 - 1-22 p. - Sheep, Eradication United States Department of Agriculture. Farmers Bulletin No. 798 .
Sheep tick and its eradication by dipping - Washington 1917 - 1-22 p. - Sheep, Eradication United States Department of Agriculture. Farmers Bulletin No. 798 .