Factors Influencing Egg Production
Irving E. Melhus, Bernard Wernick Hammer, Percy Edgar Brown, Charles Webster Knox, Donald Rockwell Porter, Dwight Leonard Espe, Frederick Burean Smith, Henry Giese, M. B. Michaelian, Oscar Wallace Park, Rudger Harper Walker, William Gordon Murray, William Vincent Lambert, Arthur Wesley Young, Clawson Young Cannon, E. N. Hansen, Ralph S. Farmer