J. C. Hackleman / W. P. Flint

OCLC:459703194

William Leonidas Burlison / C. A. Van Doren / J. C. Hackleman

OCLC:459703201

International Crop Improvement Association / J. C. Hackleman

CORNELL:31924074074976

Agriculture

J. A. Evans / J. C. Hackleman / F. C. Bauer

UIUC:30112019535803

Cotton growing

J. C. Hackleman

CORNELL:31924068966252

Seeds

Missouri Agricultural Extension Service / J.C. Hackleman

OCLC:632282714

J. C. Hackleman

UIUC:30112019535571

Soybean

George M. Reed / J. C. Hackleman / J. Kelly Wright / Merritt Finley Miller / Missouri. State Highway Department / S. Sheldon / Werner L. Nelson / William C. Davidson

OSU:32435028155679

Agricultural exhibitions

University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station / J.C. Hackleman / E.D. Walker

OCLC:632038664

J. C. Hackleman

UIUC:30112019535936

Corn

University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station / C.M. Linsley / J.C. Hackleman

OCLC:632036476

Merritt Finley Miller / University of Missouri. Agricultural Experiment Station / J. C. Hackleman

OCLC:26185041

Wheat

Dwight Powell / Ernest De Witt Walker / Ernest Oliver Herreid / H. R. Kemmerer / John Henry Bigger / Margueritte Briggs / Murlin Ray Hodgell / Walter J. Wills / Burdet Heinemann / Howard Bliss Petty / Jay Courtland Hackleman

UIUC:30112019532172

Agricultural machinery

W. L.. Burlison / C. A. van Doren / J. C.. Hackleman

OCLC:490698679

William Leonidas Burlison / J. C. Hackleman / Lloyd Vincent Sherwood

UIUC:30112121919390

Weeds

Wesley Pillsbury Flint / J. C. Hackleman

UIUC:30112121914607

Chinch-bugs

W L 1882-1958 Burlison / J C 1888- Hackleman / C a 1905- Van Doren

1378975235 / 9781378975237

J. C. Hackleman

OCLC:25272814

Corn

University of Missouri. Agricultural Experiment Station

OCLC:24462192

Corn

Ogle Hesse Sears / W L 1882-1958 Burlison / J C 1888- Hackleman

1341851931 / 9781341851933

Ernest D. Walker / J. C. Hackleman

OCLC:17375237

Pastures

William Leonidas Burlison / Cornelius Austin Van Doren / J. C. Hackleman

OCLC:17220677

Soybean

Jay C. Hackleman / William Leonidas Burlison / Ogle Hesse Sears

OCLC:16948459

Soybean

J. C.. Hackleman / W. L.. Burlison

OCLC:491058080

J. C. Hackleman / Clyde Maurice Linsley

OCLC:17159227

Acreage allotments

J. C. Hackleman / W. E. Domingo

OCLC:254792541

University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station / J.C. Hackleman

OCLC:632039094

University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station / F.C. Bauer / J.C. Hackleman / W.P. Flint

OCLC:632035770

W. O. Scott

OCLC:17376397

Plant varieties

University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station / F.C. Bauer / J.C. Hackleman / W.P. Flint

OCLC:632036014