Black-leg or black-quarter, its nature and prevention
Gilruth, J.A.
Black-leg or black-quarter, its nature and prevention - Wellington 1903 - 1-3 p. - New Zealand Department of Agriculture. Leaflets for Farmers, No. 67 .
Black-leg or black-quarter, its nature and prevention - Wellington 1903 - 1-3 p. - New Zealand Department of Agriculture. Leaflets for Farmers, No. 67 .