Better Cows from Better Sires

A Study of Cow-testing Association Records of Dams and Their Daughters

by Dan Hansen, Edward Lloyd Sechrist, Frederick Charles Lincoln, George Flippo Gravatt, Jacob Allen Clark, John Chambers McDowell, Loren Bartlett Smith, Robert Delafield Rands, Walter David Hunter, Willard Van Orsdel King, George Hirst Bradley · 1925