Jane K. Cullum / Ralph A. Willoughby

9780898715231 / 0898715237

Mathematics

Thurlow Quinton Hutchinson / Linwood Allen Hoffman / Ralph Parlett

UCR:31210001074507

Fruit

Peter Louis Henderson / Ralph Parlett

STANFORD:36105117857081

Advertising

Ralph Parlett / Masao Matsumoto / David Smallwood

UIUC:30112046854813

Agricultural prices

Ralph E. Christoffersen

9781468463606 / 1468463608

Science

Betty Thomas Richardson / Catherine Marie Viehmann / Earl Hazeltine Frothingham / Ralph Melvin Nelson

UIUC:30112089575770

Agricultural colleges

Ralph Fevre

9781412931991 / 1412931991

Political Science

Alexander Wetmore / Arthur W. Jobbins-Pomeroy / Frederick Vernon Coville / Furman Bryant Wise / George Bishop Sudworth / Henry John Ramsey / Ralph Chafee Miller / Thomas Elliott Snyder / William Bradford Alwood / Arthur Williams Broomell

UIUC:30112048354648

Balsam fir

Adam Truman Holman / Allen Hendershott Eaton / Betty Thomas Richardson / Clarice Louisba Scott / Faith Clark / G. A. Collier / Paul Oman / Ralph Rudolph Botts / United States. Bureau of Entomology and Plant Quarantine / William Henry White / Sears Polydore Doolittle

CUB:U183021558092

Agricultural colleges

Ralph Hoepfner / Arlene Fink

STANFORD:36105003480931

Children with social disabilities

Ralph Ruddock

UOM:39015012944016

Adult education

Ralph Isaacs / T. Richard Blurton

UOM:39015042646961

Art

Ralph Byers

STANFORD:36105123682754

Hamiltonian systems

Ralph Tabberer

UOM:39015048508132

Language Arts & Disciplines

Clara Edelblute / Ralph Freshwater / Harold Freshwater

WISC:89066143710

North Carolina

Aaron Sidney Baker / Leroy Francis Rogers / Paul R. Fridlund / Ralph Arthur Loomis / Raymond J. Folwell / W. W. Heinemann / Washington Agricultural Experiment Station

UIUC:30112019907465

Agricultural experiment stations

Ralph Wilfred Hodder-Williams

UCAL:$B743135

World War, 1914-1918