History of hog cholera research in the U.S. Department of Agriculture, 1884-1953
Cole, C.G. and Others
History of hog cholera research in the U.S. Department of Agriculture, 1884-1953 - Washington 1962 - 1-124 p. - United State Department of Agr .
619.4
History of hog cholera research in the U.S. Department of Agriculture, 1884-1953 - Washington 1962 - 1-124 p. - United State Department of Agr .
619.4