J. M. Pickell

UIUC:30112019476446

Agricultural experiment stations

James P. De Pass / J. M. Pickell / A. A. Persons / James Clinton Neal / John Kost / Peter Henry Rolfs / University of Florida. Agricultural Experiment Station

UIUC:30112053807977

Agricultural experiment stations

J. M. Pickell

OCLC:18685671

Agricultural experiment stations

University of Florida. Agricultural Experiment Station / J.J. Earle / J.M. Pickell / J.C. Neal

OCLC:632006134

J. M. Pickell

OCLC:18545346

Horn fly