Analysis of the advanced registry records of 611 daughters of 51 ayrshire sires
Fohrman, M.H., Graves, R.R.
Analysis of the advanced registry records of 611 daughters of 51 ayrshire sires - Washington 1933 - 1-59 p. - Analysis United States Department of Agriculture. Technical Bulletin No. 349 .
Analysis of the advanced registry records of 611 daughters of 51 ayrshire sires - Washington 1933 - 1-59 p. - Analysis United States Department of Agriculture. Technical Bulletin No. 349 .