E. N. Fergus, Carsie Hammonds & R. W. Gregory.
Field crops management: revised.
R653054. Field crops management: revised. By E. N. Fergus, Carsie Hammonds & R. W. Gregory. NM: additions & revisions. © 14Feb49; A30344. Mrs. Carsie Hammonds (W); 31Jan77; R653054.
Mrs. Carsie Hammonds|W