This business of dairy farming 1942 and 1956
Waters, W.K., Barr, W.L.
This business of dairy farming 1942 and 1956 - Pennsylvania 1958 - 17 p. - No. 638; Pennsylvania Agricul .
This business of dairy farming 1942 and 1956 - Pennsylvania 1958 - 17 p. - No. 638; Pennsylvania Agricul .