Frank C. Petr / Howard B. Roylance

UIUC:30112019509766

Barley

C. I. Seely / Howard B. Roylance

UIUC:30112019506986

Dichlorophenoxyacetic acid

Harold L. Harris

UIUC:30112019509774

Agriculture

Harold L. Harris

UIUC:30112019509782

Agriculture

Howard B. Roylance

UIUC:30112018394947

Agriculture

Howard B. Roylance

UIUC:30112019508610

Agriculture

Howard B. Roylance

UIUC:30112085753785

Barley

Wayne L. Thiessen

UIUC:30112085759832

Alfalfa

Howard B. Roylance

UIUC:30112019509576

Agriculture

Howard B. Roylance / University of Idaho. College of Agriculture

UIUC:30112019509584

Agriculture

Howard B. Roylance / C. I. Seely

UIUC:30112019506978

Weeds

Howard B. Roylance / University of Idaho. College of Agriculture

UIUC:30112019509121

Agriculture

C. I. Seely / Clayton P. Libeau / Howard B. Roylance / Hugh C. McKay / John Wilson Martin / Mary Jane Paterson / Reuben Frederic Johnson / University of Idaho. College of Agriculture / William H. Knight / K. M. Bird / Owen K. Brown

UIUC:30112054429847

Agriculture

W. K. Pope / Harland Stevens / Howard B. Roylance

UIUC:30112019508842

Agriculture

Hugh C. McKay / University of Idaho. Agricultural Extension Service

OCLC:18903007

Barley

Barbara Branthoover / Donald L. Walker / Edward W. Owens / Howard B. Roylance / Howard L. Morton / Mary V. Zaehringer / Roscoe Derrick Watson / Thomas Byron Keith / University of Idaho. College of Agriculture / Walter C. Sparks

UIUC:30112054429888

Agriculture

UIUC:30112066243186

Barley

W. K. Pope

UIUC:30112019509568

Agriculture

Howard B. Roylance

UIUC:30112019509337

Agriculture

Howard B. Roylance

OCLC:41739086

Alfalfa

John Joseph Kolar / Howard B. Roylance / J. R. Ridley

OCLC:632025921

Alfalfa

Walter L. Moden / Howard B. Roylance

OCLC:26430421

Alfalfa

Howard B. Roylance / Richard F. Hall

OCLC:26435668

Ergot

Charles G. Painter / D. W. Sunderman / Frank C. Petr / Harold L. Harris / Leslie L. Dean / R. W. Portman / Richard Robert Romanko / Thomas Donald Bell / Walter C. Sparks / Howard B. Roylance / Hubert Clyde Manis / Hugh C. McKay / Janice C. Shephard / Jay G. Garner / John Patton Baker / W. R. Simpson / L. E. Orme / Martin Wise / S. T. Likens / Vance T. Smith

OCLC:18905238

Barley

Howard B. Roylance / Idaho Agricultural Experiment Station

OCLC:632026983

Soybean

Howard B. Roylance / Idaho Agricultural Experiment Station / R.M. Hayes / D.M. Wesenberg

OCLC:26222175

Barley

Anton S. Horn / C. T. Brackney / Charles G. Painter / Dorrell C. Larsen / Esther Nystrom / Harry Selwyn Fenwick / Howard B. Roylance / J. J. Dahmen / W. R. Simpson / Alfred Eugene Slinkard / C. I. Seely / John J. Kolar / L. E. Orme / Richard E. Ohms / Walter L. Moden / Duane Sharp / Ralph S. Samson

OCLC:18903490

Alfalfa

Howard B. Roylance / Idaho Agricultural Experiment Station

OCLC:2064268

Grain

Howard B. Roylance / Darrell M. Wesenberg / R. M. Hayes

OCLC:26434683

Oats

Anton S. Horn / John H. Weber / Paul J. Torell / Robert E. Higgins / W. K. Pope / Harland Stevens / Howard B. Roylance

OCLC:18900347

Agriculture