Thomas S. Buchanan / Constantin Constantinovich Nikiforoff / Dwight McBryde Simpson / Dwight Moore DeLong / Frank M. Eaton / G. J. Haeussler / G. R. Free / George Wright Hoffman / Gustav A. Wiebe / Harold Andrus Jaynes / Harry Ardell Allard / Henry Hopp / J. I. Lauritzen / James Robert Dawson / Joseph Stuart Caldwell / Kenneth Thurman Williams / Lawrence Zeleny / Loyd L. Stitt / Marshall Weddell Stone / Raymond Peter Christensen / Robert Merton Walsh / Ruth Elmquist Rogers / Theodore Roosevelt Gardner / Thomas Charles Chadwick / Wilbur Tibbils Pentzer / Caroline L. Adams / Charles A. Fort / David Victor Kopland / E. K. Bynum / George Henry Englerth / Helen Garrison Wheeler / James Stewart Wiant / Lawrence Bemis Parker / Morris Harvey Neustadt / Philip Russell Cowan / R. R. Whetstone / Ronald Lester Mighell / Roy Drummond McCallum / Samuel Palkin / Wightman Wells Garner / G. M. Stone / Harry Humfeld / John Henry MacGillivray / Lucille Reinbach-Welch / Miles Stratford Mayhugh / R. R. Graves / R. T. Balch

OSU:32435027441039

Agriculture

Bernard Wernick Hammer / Charles Webster Knox / Earl Weaver / Frederick Burean Smith / Irving E. Melhus / Knute Bjorka / Lewis Wilson Erdman / Oscar Wallace Park / Charles Arthur Matthews / Donald Everett Bliss / H. A. Bittenbender / Merle P. Baker / Frank Van Haltern

UIUC:30112003230544

Agriculture

United States. Department of Agriculture / Harry Humfeld / B. Edmund Lambert

OCLC:631401654

Lewis Wilson Erdman

UIUC:30112019567616

Crops and soils

Arnold L. Nelson / Arvid John Johnson / Bradford Knapp / Charles Ellsworth Gage / Curtis Benton / Cyril Oliver Bratley / D. F. Fisher / E. H. Siegler / Edmund Lambert / Floyd Franklin Smith / Forrest Vern Owen / Frederick James Stevenson / George Arceneaux / George McMillan Darrow / Hazel Katherine Stiebeling / James Herbert Beattie / Loyd William Brannon / Robert Roland Farrar / Van E. Romney / Waldo Lee McAtee / Wayne Melville Bever / William Henry Burrows / William Ogilvie Fraser / William Taylor Miller / United States. Department of Agriculture / Arthur Steele Mason / Charles Frederick Clark / Don Juan Slater / Esther Funnell Phipard / Francis Munger / Harry Humfeld / Howard W. Johnson / I. E. Stokes / Jacob Martin Lutz / Joseph Patrick Quinn / Thomas Laffin Baggette / Victor Rickman Boswell / Wesley Pillsbury Flint / Woodrow Wilson Bailey / John McDowell McCown / Lloyd E. Smith / Talbott Elson Clarke

OSU:32435019025238

Agriculture

Ruth Elmquist Rogers / Harry Humfeld / Helen Garrison Wheeler

UIUC:30112019345195

Agriculture

Edmund Lambert / Harry Humfeld

UIUC:30112019272423

Casing soils

U.S. Dept. of Agriculture. Bureau of Plant Industry / James H. Kettering / Ruth E. Elmquist / Harry Humfeld

OCLC:631352878

Ruth Elmquist Rogers / Helen Garrison Wheeler / Harry Humfeld

STANFORD:36105019613269

Cotton fabrics

Harry Humfeld

OCLC:31953885

Electrodialysis

Harry HUMFELD / Ruth Estella ELMQUIST / James H. KETTERING

OCLC:752777950

Harry Humfeld

OCLC:32038425

Fertilizers

Nathan R. Smith

OCLC:1450131689

Green manuring

Dwight McBryde Simpson / G. J. Haeussler / George Russell Free / Gustav A. Wiebe / Harry Ardell Allard / Kenneth Thurman Williams / Ruth Elmquist Rogers / Thomas Stewart Buchanan / Wilbur Tibbils Pentzer / George Henry Englerth / Gilbert Matthew Stone / Harry Humfeld / John Henry MacGillivray / Lucille Reinbach-Welch / Richard Roy Whetstone / Wightman Wells Garner / Caroline Lander Adams / Helen Garrison Wheeler / James Stewart Wiant / Philip Russell Cowan

OCLC:8487328

Barley

Harry Humfeld / James H. Kettering

LCCN:agr37000640

Wool scouring

OCLC:631352749

James Herbert Beattie / William Ogilvie Fraser / Don Juan Slater / Victor Rickman Boswell

OCLC:16902604

Beef cattle

Harry Roberts

0646378236 / 9780646378237

Methodist Church

Harry

NLS:V000590499

Harry A. Fry

OCLC:29709626

Harry HAWSER

OCLC:560416565

Harry MAXWELL

OCLC:144598461

Boys

Harry Connick

OCLC:1273591407

Harry WHITE

BL:A0025023497

Tracts

HARRY.

OCLC:560793610

Harry Laughton

0954506502 / 9780954506506

East End (London, England)

Harry Wheeler

1320733360 / 9781320733366

Harry E. W. Howell

OCLC:17786058

Harry White

OCLC:1014609292

M. P.

OCLC:1079097196