Austin Allyn DOWELL / Phillip A. ANDERSON / Gerald ENGELMAN / Evan F. FERRIN

OCLC:559575345

Gerald ENGELMAN

OCLC:560439873

Gerald Engelman / Raymond Olaf Gaarder

UVA:X030493262

Swine

Gerald Engelman / Everett O. Stoddard / J. A. Maetzold

OSU:32435067151282

Lamb (Meat)

Arnold Lyle Aspelin / Gerald Engelman

UVA:X030511570

Beef cattle

Donald Gardner Baker / E. W. Hanson / Gerald Engelman / J C Olson / Lorenzo M. Martinez / M. F. Kernkamp / Philip H. Harden / Robert E. Nylund

UIUC:30112053808744

Butter

Clarence Earl Trotter

UIUC:30112019831293

Agriculture

Gerald Engelman / David L. Holder / Allen B. Paul

MINN:31951002852898Y

Meat

Gerald Engelman

UIUC:30112019655197

Swine

United States. Agricultural Marketing Service

OCLC:81458203

Gerald Engelman

MINN:31951T000868675

Farm produce

United States. Agricultural Marketing Service. Marketing Research Division / Gerald Engelman

OCLC:71020674

Domestic animals

Raymond Olaf Gaarder / Gerald Engelman / Eddie F. Kimbrell

UIUC:30112018978418

Swine

U.S. Dept. of Agriculture. Packers and Stockyards Administration / James Maetzold / Everett Stoddard / Gerald Engelman

OCLC:631225500

Gerald Engelman

OCLC:833841639

United States. Agricultural Marketing Service / Gerald Engelman

OCLC:631222339

Gerald Engelman / Austin Allyn Dowell / Robert Edward Olson / Robert William Olson

OCLC:17820874

Swine

United States. Agricultural Marketing Service. Marketing Research Division / Raymond O. Gaarder / Gerald Engelman

OCLC:631590636

Gerald Engelman / Betty Sue Pence

UVA:X030493259

Auctions

Gerald Engelman

OCLC:833783963

Austin Allyn Dowell / Herbert Kendall Hayes / James Douglass Winter / Knute Bjorka / Lowry Nelson / Nathaniel Newton Allen / Rex W. Cox / William Earl Petersen / Ernst Jacobson / Donald Mitchell

UIUC:30112019645180

Agriculture

Victor Bryant Phillips / Gerald Engelman

UVA:X030493252

Livestock

Victor B. Phillips / United States. Agricultural Marketing Service. Marketing Research Division / Gerald Engelman

OCLC:631590553

United States. Agricultural Marketing Service. Marketing Research Division / Gerald Engelman

OCLC:631222321

Gerald Engelman / Austin Allyn Dowell / Robert E. Olson

OCLC:820668782

OCLC:17819695

Swine

Gerald Engelman / Austin Allyn Dowell / Evan Fisher Ferrin / Philip Andrew Anderson

OCLC:17905406

Charles L. Fergus / Clarence Earl Trotter / Crum Marshall Ritter / Edwin Lavern Cooper / Francena Lounsbery Nolan / Harold Kenneth Fleming / James Alton Cox / Pennsylvania State University. Agricultural Experiment Station / Walter Frederick Westerfeld

UIUC:30112019825089

Agricultural experiment stations

Clarence Earl Trotter / Pennsylvania State University. Agricultural Experiment Station / Gerald Engelman

OCLC:23095500

Consumers' preferences

Knute Bjorka

UIUC:30112019648150

Agriculture