Sheep scab
Gillette, C.P.
Sheep scab a few insect of the orchard - Fort Collins 1897 - 1-40 p. - Sheep, Insect, Orchard Colorado Agricultural Experiment Station. Bulletin No. 38 .
Sheep scab a few insect of the orchard - Fort Collins 1897 - 1-40 p. - Sheep, Insect, Orchard Colorado Agricultural Experiment Station. Bulletin No. 38 .