Commercial dairy farming Hudson valley region, New York, 1961-62
Cunningham, L.C.
Commercial dairy farming Hudson valley region, New York, 1961-62 - Ithaca 1964 - 1-46 p. - Cornell Agricultural Experimen .
Commercial dairy farming Hudson valley region, New York, 1961-62 - Ithaca 1964 - 1-46 p. - Cornell Agricultural Experimen .