Cornell University creator text us 1915 1960 continuing g eng -Existencias: 1915 no. 363; 365; 1931 no. 519; 1939 no. 714; 1960 no. 954 -BPH: Bull. Cornell Univ. Agric. Exp. Sta. Agricultura AR-ReUNN 260630 20260702003716.0 249765 spa