William Henry Stevenson / L. W. Forman / Percy Edgar Brown

UIUC:30112019560884

Agricultural experiment stations

William Henry Stevenson / Percy Edgar Brown / L. W. Forman

UCAL:B2676412

Cropping systems

William Henry Stevenson / L. W. Forman / Percy Edgar Brown

UIUC:30112019561544

Agricultural experiment stations

William Henry Stevenson / Percy Edgar Brown

UIUC:30112019562062

Agricultural experiment stations

Gilmour Byer MacDonald / Orson Gunnell Lloyd / Thomas Joseph Maney / William Henry Stevenson / L. W. Forman / Percy Edgar Brown

UIUC:30112054427759

Agricultural experiment stations

William Henry Stevenson / Percy Edgar Brown

UIUC:30112019562146

Agricultural experiment stations

L. W. Forman

UIUC:30112019561205

Agricultural experiment stations

William Henry Stevenson / Percy Edgar Brown / L. W. Forman

UIUC:30112019566832

Agriculture

William Henry Stevenson / Percy Edgar Brown

UIUC:30112019562195

Agricultural experiment stations

C. C. Culbertson / Elizabeth Ellis Hoyt / Ernest Straign Haber / Frank Robotka / Jay Brownlee Davidson / John Marcus Evvard / W. E. Hammond / William Henry Stevenson / Wm. L. Harter / Edgar Vermont Collins / Q. W. Wallace / R. E. Stewart / Percy Edgar Brown

UIUC:30112019560090

Alfalfa as feed

William Henry Stevenson / Iowa Agricultural Experiment Station / Percy Edgar Brown

OCLC:17202021

Fertilizers

William Henry Stevenson / L. W. Forman / Percy Edgar Brown

UCAL:B2676406

Farm manure

Carl John Drake / Clarence Leroy Holmes / E. E. Dunnam / Earl Weaver / Harold De Mott Hughes / John Marcus Evvard / William Henry Stevenson / C. C. Culbertson / Fordyce Ely / Franklin Scott Wilkins / Frederick Azel Fenton / Frederick Dunaway Butcher / Percy Edgar Brown / John M. Shaw / L. W. Forman

UIUC:30112019565529

Calves

Edgar Vermont Collins / Harold De Mott Hughes / Hazel Kyrk / Irving E. Melhus / John Frederick Thaden / Joseph Edward Guthrie / Lewis Wilson Erdman / William Henry Stevenson / A. B. Caine / F. S. Wilkins / L. W. Forman / Walter Beno Bollen / Percy Edgar Brown

UIUC:30112019560066

Cabbage yellows

Alvin Romaine Lamb / Arthur Thomas Erwin / Charlotte Maria King / Erastus Waldon Dunnam / G. B. MacDonald / George H. Von Tungeln / Homer Henry Plagge / Jay Brownlee Davidson / William Henry Stevenson / Edith Wilson / Harry L. Eells / L. W. Forman / Thomas Joseph Maney / Wm. L. Harter / Percy Edgar Brown

UIUC:30112019560058

Apples

Iowa Agricultural Experiment Station

OCLC:632060092

William Henry Stevenson / Iowa Agricultural Experiment Station / Percy Edgar Brown / L. W. Forman

OCLC:26611575

Pastures

Andrew Corrie McCandlish / Bernard Wernick Hammer / Claude Kedzie Shedd / George H. Von Tungeln / L. S. Gillette / L. W. Forman / Russell Dunn / W. E. Whitehouse / William Arthur Foster / H. H. Kildee / John Marcus Evvard / L. R. Sanders

OCLC:17257236

Apples

Iowa Agricultural Experiment Station

OCLC:632060095

Lewis Wilson Erdman / Chlorus William Crickman / Harold De Mott Hughes / Hazel Kyrk / Homer Henry Plagge / Irving E. Melhus / John Frederick Thaden / William Henry Stevenson / F. S. Wilkins / Thomas Joseph Maney / Walter Beno Bollen / Percy Edgar Brown

OCLC:17235952

Apples

Iowa Agricultural Experiment Station / L.W. Forman / P.E. Brown / W.H. Stevenson

OCLC:632060064

William Henry Stevenson / Percy Edgar Brown / L. W. Forman

OCLC:632060092

Dickinson County (Iowa)

Iowa Agricultural Experiment Station

OCLC:632060074

Iowa Agricultural Experiment Station / L.W. Forman / P.E. Brown / W.H. Stevenson

OCLC:632060068

Iowa Agricultural Experiment Station / L.W. Forman / P.E. Brown / W.H. Stevenson

OCLC:632060037

Iowa Agricultural Experiment Station / L.W. Forman / P.E. Brown / W.H. Stevenson

OCLC:632060042

OCLC:632060031

Iowa Agricultural Experiment Station / L.W. Forman / P.E. Brown / W.H. Stevenson

OCLC:632060056

Iowa Agricultural Experiment Station / L.W. Forman / P.E. Brown / W.H. Stevenson

OCLC:632060045

William Henry Stevenson / Iowa Agricultural Experiment Station / L.W. Forman / P.E. Brown

OCLC:268790398

Boone County (Iowa)