Edgar John Udine / Edmund Lambert / Edward Mackay Chace / Emil George Boerner / F. L. Duley / Franklin Arthur Coffman / George Emil Gaus / Gerard Dikmans / Harold Robert Hochmuth / John Stuart Pinckney / Joseph Benjamin Shepherd / M. A. Yothers / Mark Hughlin Haller / Robert Hale Nelson / Roland McKee / Russell Rutherford Whitten / United States. Department of Agriculture / Victor Leo Stedronsky / W. A. Douglas / W. G. Bradley / William John Reid / William Solomon Porte / Carroll Clayton Cassil / Charles Scott Shaw / Dean Humboldt Rose / Earl Raymond Franklin / Harry August Schoth / Harry Bruce Walker / Latimer Ludwig Kelly / Paul B. Allen / Rhea Emerson Stitt / Thomas Laffin Baggette / Thompson Elwyn Woodward / William Alexander Noel / Arvid John Johnson / Marion Clawson / Paul Lewis Harding / Vinnie Arah Pease / Waldo Harold Kliever

OSU:32435051444321

Agriculture

A. F. Burgess / A. J. Pieters / Alexander Wetmore / Archibald Dixon Shamel / Arthur Charles Dillman / Bernard Alfred Gallagher / Charles Adolph Weigel / E. W. Sheets / Edward David Vosbury / Ernest Adna Back / Erval Jackson Newcomer / Frank Hurlbut Chittenden / George Harold Godfrey / James C. Marr / John Holmes Martin / John Oscar Williams / Karl Eaton Parks / Maurice Crowther Hall / Ralph Wylie Frey / Rob Roy Slocum / Walter David Hunter / Walton Kirk Brainerd / William Renwick Beattie / William Stuart / Herbert Perry Davis / M. A. Yothers / T. Ralph Robinson / Warren Draper Whitcomb

CUB:U183021565861

Barns

M. A. Yothers / Frank Waldemar Carlson

UIUC:30112019275863

Apples

Alfred Leroy Baker / Benton Mehrling Stahl / Charles William Loomer / Claude Kedzie Shedd / Donald Eisenbrey Church / Edward Pendleton Carter / Elsa Orent-Keiles / Fenner Satterthwaite Stickney / Frank Custer Edminster / Harry Curtis Young / Hazel Marie Fletcher / Herbert Halden Walkden / James Robert Dawson / Joseph Bailey Edmond / Leo E. Holman / M. A. Yothers / Marshall Tracy Deonier / Matthew Drosdoff / Myron Francis Babb / Ralph Dickieson Jennings / Ralph Leroy Parshall / Robert Douglass McCulley / Roy Wesley Nixon / Tom Part Cassidy / W. P. Baird / United States. Department of Agriculture / Arnold M. Hansen / David Victor Kopland / Dwight Fletcher Barnes / Frank Waldemar Carlson / George Yankush Young / James E. Kraus / Maurice E. Dahmus / Vernon Webster Johnson / Walter S. Atkinson / William Henry Black / Arthur Clifton McIntyre / Mary Ellen Duensing / Perez Simmons / Roy Magruder

OSU:32435051444271

Agriculture

Edgar John Udine / Edmund Bryan Lambert / Frank Leslie Duley / Joseph Benjamin Shepherd / M. A. Yothers / Robert Hale Nelson / Russell Rutherford Whitten / Victor Leo Stedronsky / William Alvin Douglas / Arvid John Johnson / Carroll Clayton Cassil / Latimer Ludwig Kelly / Paul B. Allen / Thompson Elwyn Woodward / Thomas Laffin Baggette

UIUC:30112050243903

Bark beetles

Erval Jackson Newcomer / M. A. Yothers

UIUC:30112019340378

Agriculture

M. A. Yothers / E. R. Van Leeuwen

UIUC:30112019340097

Agriculture

M. A. Yothers / Paul B. Allen

UIUC:30112019273470

Membracidae

Erval Jackson Newcomer / M. A. Yothers / Warren Draper Whitcomb

STANFORD:36105119570682

Codling moth

Arthur Vance Swarthout / Charles Sidney Leete / David Griffiths / David Segrid Olson / Elmer Lash / Ernst H. Wiecking / Frank Getz Ashbrook / Frank Heidtman Lathrop / Frederick Charles Lincoln / George Emil Heck / George Herbert Coons / H. F. Willard / Harold Coleman Hallock / John Chambers McDowell / Justus Watson Folsom / M. A. Yothers / R. W. Leukel / Ralph Henry Elsworth / Reginald D. Forbes / United States. Department of Agriculture / Walter Cochran Davis / Wiley Croom Smith / William Gustavus Wahlenberg / Charles M. Harris / Dewey Stewart / Donald Bruce / Fletcher Pearre Veitch / Floyd Frank Bondy / Ira Burton Lanphier / Karl Burchard Hanson / Theodore Lemuel Bissell / William Melvin Mohler / Finley George Larmer

OSU:32435053093035

Aerial spraying and dusting in agriculture

N. R. Ellis / Charles William Rees / Edwin Richard Kalmbach / Enoch Wesley Nelson / Fenner Satterthwaite Stickney / Foster Hendrickson Benjamin / George Bishop Sudworth / Harvey Leroy Westover / James William Park / Joseph Stuart Caldwell / Leander D. Howell / Lloyd Ancil Spindler / M. A. Yothers / Raymond Frank Taylor / Robert Claude Wright / Robert Ellsworth Getty / Robert Pilson Albert Johnson / Thomas Ray Stanton / Tyler Frazier Akers / United States. Bureau of Agricultural Economics / Walter Huber Meyer / Wightman Wells Garner / William Henry Black / William Stuart / Edwin Harrison Milstead / Franklin Arthur Coffman / Harry August Schoth / Jay Laurence Lush / John Henry Zeller / Marsden Robert Brundage / Walter M. Peacock / Arthur Truman Semple / V. F. Tapke

OSU:32435027441179

Abies concolor

Carl Schurz Scofield / Homer Scott Swingle / Alfred Edward Fivaz / Arthur John Ackerman / Brice Edwards / Carl Rohwer / Clarence Ferdinand Korstian / Conde Balcom McCullough / Cornelius Lott Shear / Curtis Paul Clausen / Dow Vawter Baxter / Eloise Gerry / Ernest William Laake / Frank Heidtman Lathrop / Frederick David Richey / Frederick Storrs Baker / Helen Hart / J. R. Holbert / John Clymer Dunegan / M. A. Yothers / Robert Claude Wright / Roger Dearborn Marsden / Thornton Taft Munger / Walter Ernest Fleming / Wells Aleck Hutchins / Albin Leroy Gemeny / Benjamin Koehler / Clarence Bobo Nickels / Dwight Isely / E. R. Van Leeuwen / Francis Everett Baker / George Frederick Sprague / James William Park / L. V. Wilcox / Lake S. Gill / Neil E. Stevens / Oliver I. Snapp / Ruthford Henry Westveld / Warren David Brush / Henry F. Bain / William Roy Wickerham

OSU:32435027441245

Agriculture

Alexander Wetmore / Arthur Charles Dillman / Erval Jackson Newcomer / John Thomas Lucker / Maurice Crowther Hall / Walter David Hunter / Warren Draper Whitcomb / M. A. Yothers

OCLC:15242635

Boll weevil

Axel Leonard Melander / Edward Franklin Gaines / Edwin George Schafer / George Alfred Olson / Henry F. Holtz / Sophia Eckerson / State College of Washington. Adams Branch Experiment Station / State College of Washington. Agricultural Experiment Station / William Hislop / Carroll Evan Howell / M. A. Yothers

UIUC:30112019907101

Agricultural experiment stations

Erval Jackson Newcomer / M. A. Yothers

OCLC:9589179

European red mite

Edgar John Udine / Edmund Bryan Lambert / Frank Leslie Duley / Joseph Benjamin Shepherd / M. A. Yothers / Robert Hale Nelson / Russell Rutherford Whitten / Victor Leo Stedronsky / William Alvin Douglas / Arvid John Johnson / Carroll Clayton Cassil / Latimer Ludwig Kelly / Paul B. Allen / Thompson Elwyn Woodward / Thomas Laffin Baggette

OCLC:16159129

Bark beetles

Erval Jackson Newcomer / M. A. Yothers

OCLC:9634343

Codling moth

George Whitfield Stiles / James Robert Dawson / A. Liddon Watt

OCLC:16668417

Anaplasmosis

C. C. Thom / Edwin George Schafer / Fred DeForest Heald / Homer Thomas Darlington / M. A. Yothers / Max Adams McCall / State College of Washington. Agricultural Experiment Station / State College of Washington. Dept. of Dry Land Demonstration and Experiment / Washington Bureau of Farm Development / Edward Franklin Gaines / Henry F. Holtz / Horace Mann Woolman

UIUC:30112019907093

Agricultural experiment stations

Alfred Paul Dachnowski-Stokes / Arnold Orlando Benson / Bruce Berger Derrick / Curtis May / Curtis Paul Clausen / Erastus Newton Bates / Erval Jackson Newcomer / George Arceneaux / George McMillan Darrow / George Whitfield Stiles / Glen Blaine Ramsey / Hastings Newcomb Bartley / Homer Charles McNamara / James Robert Dawson / John Clay Overpeck / Joseph Martin Mehl / Morris Cotgrave Betts / Neil E. Stevens / Oliver I. Snapp / Perez Simmons / Roland McKee / Samuel Benton Nuckols / Victor Bigelow Bonney / Walter M. Peacock / William Albert Hartman / A. Liddon Watt / Byron Curtis Brunstetter / Dalton Ray Hooton / G. F. Gravatt / George Fordyce Waldo / George P. Bodnar / Harry August Schoth / Harry Avalon Elcock / James Randolph Thomson / John Donald Black / L. B. Scott / M. A. Yothers / Manley Alexander Raymond Kelley / Paul A. Clifford / Richard Thomas Gibbens / William Doyle Reed / Dow Dewey Porter / E. A. McGregor / Edward James Stirniman / Henry Albert Lepper / James Louis Stephens

LCCN:agr31000438

Agricultural extension work

M. A. Yothers / Paul B. Allen

OCLC:552373968

Membracidae

Erval Jackson Newcomer / M. A. Yothers

OCLC:9580943

European red mite

Benjamin Schwartz / Charlotte Chatfield / Chester Otis Reed / E. R. Van Leeuwen / E. W. Sheets / Eloise Blaine Cram / George McMonies Hunt / Glen Blaine Ramsey / James William Park / John Brown Cuno / John Harold Lister / Joseph Lyonel King / Karl S. Quisenberry / Liberty Hyde Bailey / Lorin Harvey Bailey / Marinus Westveld / Neil E. Stevens / Perry Eugene Howard / Robert Montgomery Gehl / Roland McKee / Sherlock Melvin Dietz / Theodore Bergen Manny / Vera Katherine Charles / Wilbur Magruder Hurst / William Orrin Robinson / Charles Ranger Enlow / Cortes Gilbert Randell / Georgian Adams / Jacob Allen Clark / James Keever Holloway / Lysle Douglas Leach / Marion Imes / Robert Henry Black / William Ensley Jackson / Willard Hull Wright

LCCN:agr31000020

Agriculture

Erval Jackson Newcomer / M. A. Yothers / Warren Draper Whitcomb

OCLC:16910685

Codling moth

M. A. Yothers

UIUC:30112019907820

Beetles

Benton Mehrling Stahl / James Robert Dawson / Myron Francis Babb / Roy Wesley Nixon / David Victor Kopland / James Ellsworth Kraus / Roy Magruder

OCLC:11787544

Carrots

Clarence Elbert Clement / Erval Jackson Newcomer / Margaret Smith Furry / Orson Northrop Eaton / Ralph Edwin Beckett / Robert Pilson Albert Johnson / Samuel Palkin / Stuart Bevier Show / Thomas Randall Carson Wilson / Thompson Elwyn Woodward / Fred Martin Grant / James Bernard McNulty / James Warren Hubbard / M. A. Yothers / Melvin Ira Bradner / Jesse Burdette Bain

OCLC:8817844

Coast redwood

Arlo McGrillis Vance / Carlos Elmer Campbell / Clarence Elbert Clement / Claud Franklin Clayton / David Lawrence Wickens / Edwin Butterworth Mains / Ernest Hayden Bailey / Erval Jackson Newcomer / Frederick William Metzger / George Frederick Sprague / John Shaw Boyce / Lenthall Wyman / Margaret Smith Furry / Moses Naphtali Levine / Neil William Johnson / O. N. Eaton / R. W. Leukel / Ralph Edwin Beckett / Robert Pilson Albert Johnson / Samuel Palkin / Stuart Bevier Show / Thomas Randall Carson Wilson / Thompson Elwyn Woodward / Wilbur Tibbils Pentzer / Willard Van Orsdel King / Dudley Horace Grant / James Bernard McNulty / James Warren Hubbard / Jesse Burdette Bain / M. A. Yothers / Mary L. Martini / Melvin Ira Bradner / Ralph Ulysses Cotter / William Durrett Nicholls / William Schlei Cook / F. M. Grant

LCCN:agr32000336

Agricultural credit

Axel Leonard Melander / M. A. Yothers

OCLC:6229077

Crickets

Alfred Edward Fivaz / Arthur John Ackerman / Brice Edwards / Carl Rohwer / Carl S. Scofield / Clarence Ferdinand Korstian / Conde Balcom McCullough / Cornelius Lott Shear / Curtis Paul Clausen / Dow Vawter Baxter / Eloise Gerry / Frank Heidtman Lathrop / Frederick David Richey / Frederick Storrs Baker / H. S. Swingle / Helen Hart / J. R. Holbert / John Clymer Dunegan / M. A. Yothers / Roger Dearborn Marsden / Thornton Taft Munger / Walter Ernest Fleming / Wells Aleck Hutchins / Albin Leroy Gemeny / Benjamin Koehler / Clarence Bobo Nickels / Dwight Isely / E. R. Van Leeuwen / Francis Everett Baker / George Frederick Sprague / James William Park / L. V. Wilcox / Lake S. Gill / Neil E. Stevens / Oliver I. Snapp / Ruthford Henry Westveld / Warren David Brush / Henry F. Bain / William Roy Wickerham

LCCN:agr31001010

Apples