Arthur Truman Semple / August Irwin Balzer / B. L. Wade / Bion Tolman / Charles Gibson Grey / Clarence John Telford / Clarice Louisba Scott / Erwin Louis LeClerg / Eugene Amos Hollowell / Evan L. Flory / Frederic Gordon Renner / Harold Everett Tower / Jacob Allen Clark / James Herbert Beattie / James Russell Douglas / Laurence Rutherford Short / Logan Sampson Carter / Lucy M. Alexander / Mortimer Reed Lewis / Robert Tallmadge Hall / Roland McKee / William Renwick Beattie / Albert Murphy / Chester Nicholas Dale / Harry Harrison Gardner / James Louis Stephens / Leonard Lee Harter / Murlyn Bennet Dickerman / Sears Polydore Doolittle

CUB:U183021566095

Agricultural conservation

Connell Jean Brown / Jessie L. Lancaster / Joseph Lloyd Keogh / L. David Andrews / Leslie Hunter Hileman / Robert Frans / Troy Mullins / Warren R. Grant / Joseph Sidney Simco

UIUC:30112019429478

Agriculture

Connell Jean Brown / Charles Ellis Caviness / Dale Albert Hinkle / Daris Grover Lafferty / Gerald Alan Place / Jessie L. Lancaster / John Leonidas Sims / L. David Andrews / Leslie Hunter Hileman / Robert Frans / Roy Jefferson Smith / Troy Mullins / Joseph Lloyd Keogh / Richard L. Maples / Warren R. Grant / Joseph Sidney Simco

UIUC:30112002648654

Agricultural estimating and reporting

Robert Erwin LeClerg

UIUC:30112019663217

Agriculture

Burton Orange Longyear / Charles Iseard Bray / Earnest A. Lungren / Erwin Louis LeClerg / Herbert Christian Hanson / John Lindemuth Hoerner / Lawrence Wood Durrell / Ralph Leroy Parshall / Robert E. Trimble / Clarence Preston Gillette

UIUC:30112019442893

Agricultural credit

Robert Erwin LeClerg

UIUC:30112019663217

Agriculture

Robert Erwin LeClerg

OCLC:763061427

Cut flowers

Andrew Wesley Baird / Arthur David Seale / Dorothy Dickins / E. W. Custer / Ermer Leon Moore / J. D. V. Saunders / Leland C. Murphree / Robert Erwin LeClerg / Sheridan Tracy Maitland / Joe Thomas Cardwell / Joseph Herbert Bruening / Kermit R. Ray / Virginia Ferguson / Wilfrid C. Bailey / F. H. Herzer

OCLC:9930272

Cut flowers

Robert Erwin LeClerg

OCLC:9752870

Florists

Burton Orange Longyear / Charles Iseard Bray / Earnest A. Lungren / Erwin Louis LeClerg / Herbert Christian Hanson / John Lindemuth Hoerner / Lawrence Wood Durrell / Ralph Leroy Parshall / Robert E. Trimble / Clarence Preston Gillette

UIUC:30112019442893

Agricultural credit

Walter Robert Harvey / Gary Bearden / Erwin Louis LeClerg

OCLC:709965281

Binary system (Mathematics)