1924-1925 report on herd testing association in South Australia
Perkins, A.J.
1924-1925 report on herd testing association in South Australia - Adelaide 1926 - 1-20: p. - South Australia Department of Agriculture, Bulletin, No. 194 .
1924-1925 report on herd testing association in South Australia - Adelaide 1926 - 1-20: p. - South Australia Department of Agriculture, Bulletin, No. 194 .