David Dewitt Questel / Richard V. Connin / S. I. Gertler

STANFORD:36105210402199

European corn borer

A. B. Clawson / Arthur Frederick Sievers / C. H. Batchelder / C. J. King / Chase Going Woodhouse / Frederick Charles Scobey / Glenn Sanborn Smith / Hugh Hackland Darby / Irvin Carl Feustel / Irvin Cecil Brown / James Robert Douglass / John Guice Sutton / John William Strowbridge / Leander Scales Stuart / M. A. Crosby / M. S. Anderson / Milo Nelson Wood / Norma Lenys Pearson / Orville Alva Faris / Robert Claude Wright / Samuel Fortier / William Henry Black / Arthur Appleton Young / David Dewitt Questel / Edwin Alfonso Trowbridge / Eleanor Muriel Kapp / Faith Moors Williams / Horace Greeley Byers / Jacob Allen Clark / Morris Samson Lowman / Ralph Wylie Frey / Thomas Donnelly Rice / Walter M. Peacock / Lawrence Henry James / Thomas Moore Whiteman

OSU:32435027441187

Agricultural machinery

S. I. Gertler / David Dewitt Questel / Richard V. Connin

STANFORD:36105210402223

European corn borer

David Dewitt Questel / S. I. Gertler

STANFORD:36105210402157

Biological insecticides

David Dewitt Questel / S. I. Gertler

STANFORD:36105210401639

Biological insecticides

A. B. Clawson / Arthur Frederick Sievers / C. H. Batchelder / C. J. King / Chase Going Woodhouse / Frederick Charles Scobey / Glenn Sanborn Smith / Hugh Hackland Darby / Irvin Carl Feustel / Irvin Cecil Brown / James Robert Douglass / John Guice Sutton / John William Strowbridge / Leander Scales Stuart / M. A. Crosby / M. S. Anderson / Milo Nelson Wood / Norma Lenys Pearson / Orville Alva Faris / Robert Claude Wright / Samuel Fortier / William Henry Black / Arthur Appleton Young / David Dewitt Questel / Edwin Alfonso Trowbridge / Eleanor Muriel Kapp / Faith Moors Williams / Horace Greeley Byers / Jacob Allen Clark / Morris Samson Lowman / Ralph Wylie Frey / Thomas Donnelly Rice / Walter M. Peacock / Lawrence Henry James / Thomas Moore Whiteman

OSU:32435027441187

Agricultural machinery

C. H. Batchelder / Connecticut. State Entomologist / Edward Monroe Bailey / Harry Johnstone Fisher / Herbert Arthur Lunt / Mont Francis Morgan / Paul Johnson Anderson / William Lorenzo Slate

UIUC:30112019451175

Agricultural experiment stations

C. H. Batchelder / Connecticut Agricultural Experiment Station / David Dewitt Questel / Neely Turner

OCLC:18489919

European corn borer

S. I. Gertler / David Dewitt Questel / Richard V. Connin

STANFORD:36105210402223

European corn borer

David Dewitt Questel / S. I. Gertler

STANFORD:36105210401639

Biological insecticides

David Dewitt Questel / S. I. Gertler

STANFORD:36105210402157

Biological insecticides

C. H. Batchelder / David Dewitt Questel

OCLC:990267297

Dahlias

William Alfonso Baker

IND:30000091863633

European corn borer

David Dewitt Questel / Richard V. Connin / S. I. Gertler

STANFORD:36105210402199

European corn borer

C. H. Batchelder / Neely Turner

OCLC:990058818

Insecticides

David Dewitt Questel / S. I. Gertler

OCLC:780067549

European corn borer

C. H. Batchelder / David Dewitt Questel

OCLC:990058358

Grain

David Dewitt Questel

OCLC:779924088

DDT (Insecticide)

David Dewitt Questel / S. I. Gertler

OCLC:780429515

Biological insecticides

S. I. Gertler / David Dewitt Questel / Richard V. Connin

OCLC:780189664

European corn borer

David Dewitt Questel / S. I. Gertler / United States. Bureau of Entomology and Plant Quarantine

OCLC:779844046

European corn borer

David Dewitt Questel / S. I. Gertler / United States. Bureau of Entomology and Plant Quarantine

OCLC:780551325

Biological insecticides

David Dewitt Questel / C. V. Bowen / S. I. Gertler / United States. Bureau of Entomology and Plant Quarantine

OCLC:780066175

European corn borer

David Dewitt Questel / Richard V. Connin / S. I. Gertler

OCLC:780429352

European corn borer

C. H. Batchelder / David Dewitt Questel

OCLC:9649262

Corn

C. H. Batchelder / David Dewitt Questel

OCLC:779849470

DDT (Insecticide)

David Dewitt Questel

OCLC:779843880

European corn borer

David Dewitt Questel / Richard V. Connin / United States. Bureau of Entomology and Plant Quarantine

OCLC:780180809

European corn borer