Wilbert Clayton Hopper

UCAL:B2689826

Farm produce

Wilbert Clayton Hopper

UIUC:30112019746806

Agriculture

Wilbert Clayton Hopper

OCLC:71081074

Wilbert Clayton Hopper

CORNELL:31924052390998

Fertilizers

Wilbert Clayton Hopper

OCLC:71106265

Food supply

Wilbert Clayton Hopper

CORNELL:31924013893940

Fruit trade

Canada. Dept. of Agriculture. Marketing Service / E. P. Reid / Wilbert Clayton Hopper

OCLC:622336085

Farm produce

Wilbert Clayton Hopper

UIUC:30112019746814

Agriculture

Wilbert Clayton Hopper

UIUC:30112019746806

Agriculture

Wilbert Clayton Hopper

UIUC:30112019747192

Agriculture

Canada. Agriculture Canada / Wilbur Francis Chown / Wilbert Clayton Hopper

OCLC:622441822

Fruit

Wilbert Clayton Hopper

CORNELL:31924013893932

Fruit trade

Alfred Melville Stewart Pridham / Alfred Moore Paxson / Altha Robert Gans / Ardron B. Lewis / Arthur John Heinicke / Denny Hammond Udall / Edward August Taylor / Edwin Shepherd Harrison / Floy Lee Underwood / Forest Milo Blodgett / Frank Stover Jamison / G. M. Tait / Guy Franklin MacLeod / Harold Charles Hoffsommer / Harold Ellis Ross / Henry Hiram Wing / Herman M. Haag / Homer Columbus Thompson / Joseph Oskamp / Karl Vogt / Kenneth Post / Laurence Howland MacDaniels / Leland Burdine Tate / Lewis Charles Chadwick / Richard Bradfield / Thomas Lyttleton Lyon / Walfred Albin Anderson / Wilbert Clayton Hopper / William Green Mather

LCCN:sn86035152

Acid soils

Canada. Agriculture Canada / Canada. Department of Agriculture / Charlotte I. Johnston / Wilbert Clayton Hopper

OCLC:428095297

Cream

Wilbert Clayton Hopper

CORNELL:31924013878800

Markets

Harold Ellis Ross / Kenneth Post / Richard Bradfield / Walfred Albin Anderson

OCLC:23996739

Chrysanthemums

Wilbert Clayton Hopper / P.H. Casselman

CORNELL:31924013922624

Dairy products

Boucher, G. P / Canada. Agriculture Canada / Wilbert Clayton Hopper / Canada. Dept. of Agriculture. Marketing Services Division

OCLC:254888738

Cream

Wilbert Clayton Hopper

CORNELL:31924014566271

Farm produce

Wilbert Clayton Hopper / Ontario Agricultural College. Dept. of Agricultural Economics / Ontario Federation of Agriculture

OCLC:317653455

Agriculture

Donald Wyman / ELMER SETH SAVAGE / Erich Otto Mader / Joseph Oskamp / Michael Peech / Mildred Bertha Thurow / Walfred Albin Anderson / Wilbert Clayton Hopper

OCLC:23999380

Apples

Alexis Lawrence Romanoff / Beulah Blackmore / Charles Edmund Palm / Donald Wyman / Dwight Sanderson / Earle Volcart Hardenburg / Edward Sewall Guthrie / Elmer Seth Savage / Erich Otto Mader / Forrest Frank Hill / Francis Omar Underwood / Frank Bonar Howe / Gad Parker Scoville / Hans Platenius / John Peter Willman / Joseph Oskamp / Lawrence Paul Batjer / Michael Peech / Mildred Bertha Thurow / Rachael Sanders Bizal / Roy Glen Wiggans / Walfred Albin Anderson / Walter Conrad Leopold Muenscher / Wilbert Clayton Hopper / Wilbur Tibbils Pentzer / William Green Mather

LCCN:sn86035152

Agriculture