Arthur A. Harlow / David Justin Ward / George H. Barnes / Harold A. Paulsen / Harry French Blaney / Leland Wilson Briggle / O. J. Hunt / Robert Eaton Fye / Robert Erwin Buckman / William Gordon Long / Alfred R. Hopkins / Fred N. Ares / Louis Powers Reitz / Walter Clare Hulburt / Wayne D. Criddle / R. E. Wagner

CHI:19470174

Agricultural estension work

Robert Erwin Buckman

UIUC:30112019334355

Agriculture

Robert Erwin Buckman

MINN:31951D03005620C

Forests and forestry

Robert Erwin Buckman

MINN:31951D03005619X

Forests and forestry

Richard Keith Arnold / Murlyn Bennet Dickerman / Robert Erwin Buckman

STANFORD:36105016856572

Biography & Autobiography

Robert Erwin Buckman

MINN:31951D025264511

Pine

Robert Erwin Buckman

UOM:39015082054506

Forests and forestry

Robert Erwin Buckman / Richard L. Quintus

WISC:89043220177

Forest reserves

Robert A. Schapiro

9781459627055 / 1459627059

Political Science

Robert A. Baron / Donn Erwin Byrne

UCSC:32106017972776

Social interaction

Robert A. Nowlan / Gwendolyn Wright Nowlan

UOM:39015029852699

Biography & Autobiography

Jay Robert Nash / Stanley Ralph Ross

UCSC:32106020064272

Motion pictures

A. D. McNair / Alexander Wetmore / Arlow Burdette Stout / C. J. Babcock / Duncan Dunning / Franklin Elmer Allison / George McMillan Darrow / George Pelham Walton / Horace Harold Willis / John Holmes Martin / John Robinson Winston / Joseph Heilman Shollenberger / Julius Valentine Hofmann / Ralph Waldo Smith / Raymond Secord Washburn / Robert Lesley Davis / Robert Percy Brandt / United States. Office of Experiment Stations / Warren Clemmer Funk / Wells Aleck Hutchins / William Henry Waggaman / William Middleton / William Stuart Moir / Charles Frederick Clark / Clyde Evert Leighty / Henry Wyatt Easterwood / Jacob Allen Clark / John Jay Bowman / Joseph M. Braham / Lawrence Root Waldron / Walter Keith Marshall / David Augustus Coleman / James Edward McMurtrey / Thomas B. Turley / William Walter Yothers

OSU:32435051444412

Agricultural experiment stations

Robert L. Pincus

UCSD:31822026386615

Art

Robert Erwin Buckman

MINN:31951D03005619X

Forests and forestry

Arthur A. Harlow / Edward Manning Davis / Frederick Joseph Hermann / George H. Barnes / Harold A. Paulsen / Harry French Blaney / Robert Erwin Buckman / Sven G. Froiland / William Gordon Long / Fred N. Ares

OCLC:10182083

Black grama grass

Robert Erwin Buckman

UOM:39015082054506

Forests and forestry

Edward Manning Davis / Harry French Blaney / Wayne D. Criddle

OCLC:631363797

Evaporation (Meteorology)