ID:DA0278733X
Cummings, Ralph W. (Ralph Waldo)
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edited by Shahidur Rashid, Ashok Gulati, and Ralph Cummings, Jr
Johns Hopkins University Press 2008
: hardcover
Available at 5 libraries
Susanta K. Ray, Ralph W. Cummings, Jr., Robert W. Herdt
Westview Press c1979
Available at 4 libraries
Sterling Wortman, Ralph W. Cummings, Jr
Johns Hopkins University Press c1978
: hard , : pbk
Available at 14 libraries
Ralph W. Cummings
Cornell University Agricultural Experiment Station 1937 Bulletin / Cornell University. Agricultural Experiment Station 672 . Soils in relation to fruit growing in New York ; pt. 11
Available at 1 libraries