Red clover seed production: pollination studies
Westgate, John Minton, 1878- [from old catalog]; Coe, Howard Sheldon, 1888-1918, [from old catalog] joint author; Wiancko, Alfred Thedore, 1872- [from old catalog]; Robbins, Fred Earl. [from old catalog]; Hughes, Harold De Mott, 1882-1969; Pammel, Louis Hermann, 1862-1931. [from old catalog]; Martin, John Nathan. [from old catalog]