Earl R. Van Leeuwen

OCLC:458385958

E. R. Van Leeuwen

UIUC:30112019268322

Japanese beetle

E. R. Van Leeuwen

UIUC:30112019269320

Japanese beetle

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

UIUC:30112019340097

Agriculture

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

E. R.. Van Leeuwen

OCLC:34745597

E. R. Van Leeuwen

IND:30000091854251

Fruit

E. R. Van Leeuwen

OCLC:631396677

E. R. Van Leeuwen

OCLC:1310489033

Coconut oil

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

Merrill Arthur Yothers / E. R. Van Leeuwen

OCLC:191986968

E. R. Van Leeuwen

OCLC:9589195

Codling moth

George McMonies Hunt / Marinus Westveld / Perry Eugene Howard / Sherlock Melvin Dietz / Lysle Douglass Leach

OCLC:10063666

Buckthorns

M. A. Yothers / U.S. Dept. of Agriculture. Bureau of Entomology / United States. Department of Agriculture / E. R. Van Leeuwen

OCLC:631347931

Codling moth

E. R. Van Leeuwen / United States. Department of Agriculture / F. W. Metzger

OCLC:249715089

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

Geological Survey (U.S.) / T. Van Leeuwen / S. Djaswadi / E.R. Force

OCLC:631678213

E. R. Van Leeuwen / F. W. Metzger

OCLC:280167477

E. R. Van Leeuwen / Pennsylvania. Department of Agriculture

OCLC:439826018

Insect pests

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

E. R. Van Leeuwen

UIUC:30112104109399

Japanese beetle control

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

UIUC:30112019340097

Agriculture

E. R. Van Leeuwen

UIUC:30112019269320

Japanese beetle

E. R. Van Leeuwen / United States. Department of Agriculture

MINN:30000010127714

Agriculture

E. R. Gold / D. B. Peacock

9781483193304 / 1483193306

Medical

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

OSU:32435051492957

Agriculture

E. R. Van Leeuwen

IND:30000091854251

Fruit

E. R. Verheul

UOM:39015032595699

Banach spaces