G. J. Hoffman / G. Schrale

OCLC:1452168843

James E. Ayars / R. B. Hutmacher / G. J. Hoffman / J. Letey / J. Ben-Asher / K. H. Solomon

OCLC:1452147372

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

G. J. Hoffman / Edward Allan Hiler / American Society of Agricultural Engineers

OCLC:24353552

C. J. Phene / G. J. Hoffman / R. S. Austin

OCLC:3126709

Irrigation

G.J. Hoffman

OCLC:708657508

Hardman JG Ed

OCLC:985781719

G.J. Hoffman

OCLC:1289144514

Gilman AG Ed

OCLC:985855712

G. J. Hoffman / D. W. Meek / J. L. Gertung

OCLC:1452154448

G. J. Hoffman / J. D. Oster / E. V. Maas / J. D. Rhoades / Jan Van Schilfgaarde

OCLC:1452171299

OAC Review Index / Juanita Thomson / F.H. Hoffman / Mr Miller / Miss James / Byrne / Mr Bennet / Misss Lockhart / Miss Dorsey / G.J. McCormac / J.E. McArthur / S.B. McCready / Ontario Agricultural College. Experimental Union

OCLC:627095627

OAC Review Index (University of Guelph) / Muriel A. Gillan / Muriel A. Scott / Robert H. Gillan / Doris White / Oliver H. J. White / Doris Wilcox / A. S. MacMillan / Arthur W. Mackenzie / Alexander Cuppage / F. C. Grenside

OCLC:877017855

OAC Review Index / S.C. Lawrence / Hunter / Hood / G.G. Bramhill / Jenkins / Henry / Miss Corrigan / Miss Freeland / Miss Shaw / Miss Robertson / Miss Rittenhouse / Miss Black / W. Davison / H.B. Jowsey / L.K.V. Ryan / Thrope / Brandt / Rutherford / L.J. Hextal / G. Wilson / W.A. Townsley / W. Horobin / G.J. Culham / E.W. White / H.W. Neff / D.J. Binnington / Oswald / Burrows / Fraser / Kinloch / G.O. Madden / C.C. Duncan / Weld / W.G. English / H.M. McElroy / Herder / T.O. Clark / R. Macdonald / Kedey / Kilgour / Hoffman

OCLC:625481346

B. Prater

OCLC:985779012

OAC Review Index

OCLC:1315353496

G. J. Hoffman

OCLC:220298321

Exocrine glands

OAC Review Index / P.E. Culverhouse / Gardiner / A.W. Baker / J. Crawford / H.P. Horobin / L. Bertram / D.G. Laird / S. Crawford / George Wilson / H.W. Neff / E.W. White / W. Horobin / G.J. Culham / Allan Kinder / C.L.S. Palmer / H.M. McElroy / Helder / T.O. Clark / R. Macdonald / Kilgour / Kedey / Hoffman

OCLC:625481344

G. J. Kidd / W. J. Stelzman / H. W. Hoffman / American Society of Mechanical Engineers

OCLC:681584967

Gas cooled reactors

A. F. Coertze / Adriaan Stefanus Albertus Oosthuizen / S. E. Bosch / O. J. Olivier / J. A. van Blommestein / J. J. B. van Zijl / J. J. Wagner / A. I. Lecuona / B. H. Boelema / E. Strydom / Jean M. Donaldson / Magdalena C. Bolton / P. J. Henrico / G. J. Eksteen / K. C. Daiber / J. Allemann / T. G. la G. Joubert / Jeremias Jacobus Nel Van der Westhuyzen / Ruth Meissner / P. C. Nel / P. O. Stork / A. C. van Niekerk / Sunette Laurie / A. G. Comrie / I. H. C. Blokpoel / J. Myburgh / H. A. Dafel / P. F. Nortjé / Elsa van der Klashorst / M. H. Kistner / J. T. Meynhardt / Agricultural Research Council (South Africa) / Vegetable and Ornamental Plant Institute (South Africa) / C. P. du Plooy / W. P. Stapelberg / D. C. A. Hoffman / Pat Klesser / Dorothea D. Nel / M. D. R. Uys

OCLC:896765218

Agricultural pests

G. J. Hoffman

OCLC:605926650

Crops

E. G. Kruse / Delno Knudsen / G. J. Hoffman / Iowa State University. Cooperative Extension Service

OCLC:233090926

Corn

T. L. Prichard / G. J. Hoffman / J. L. Meyers / USDA-ARS Salinity Laboratory / University of California (System). Cooperative Extension / California. Department of Water Resources / California. State Water Resources Control Board

OCLC:56972870

Corn

G. J. Hoffman / USDA-ARS Salinity Laboratory / University of California (System). Cooperative Extension / California. State Water Resources Control Board / California. Department of Water Resources

OCLC:56971937

Corn

OAC Review Index

OCLC:1315100103

OAC Review Index (University of Guelph) / G. B. Sutherland / W. T. Rogers / A. C. Reeves / E. J. H. Redelmeier / H. R. Stewart / A. Lacey / W. P. Keller / F. W. Guy / L. E. Fontaine / F. A. Adams / R. S. Tuero / E. L. Randall (Jr.) / A. S. Mack / T. Jackson / R. G. A. Hoskins / J. M. Ellis / R. Bruneau / G. J. Beach / B. Wilson / F. V. Lawrence / A. J. Tapp / L. A. Standing / P. S. Skinner / A. P. Sinclair / E. C. Roberts / P. H. Page / R. C. Niddery / C. L. McNeil / H. G. Monckton / J. W. Long / J. W. Lennox / D. W. Hoffman / G. W. Hern / H. C. Heimbecker / M. J. Hart / G. E. Hampson / W. R. Gilbart / N. R. Farris / R. H. Ellis / P. W. Ellis / R. W. A. Eastman / R. G. Bennett / J. de Salis / J. A. Carpenter / W. N. Proude / K. C. Marcellus / J. P. Walker / J. E. Harrison / D. W. Elliott / R. K. Eby / L. W. Backwell / R. A. Welsh / J. F. Jewson / D. R. Cassie / R. F. Glasser / H. C. Coppel / P. F. Campbell / R. H. Knowles / D. L. Thompson / C. R. Fawthrop

OCLC:629787753

Alvah Peterson / Arnon Lewis Mehring / Arthur Frederick Sievers / Carlos G. Bates / Charles Ernest Ramser / Charles W. Culpepper / Frederick Lovejoy Wellman / George Wright Hoffman / Howard E. Middleton / Hutzel Metzger / J. E. Patterson / John William Strowbridge / Manley Alexander Raymond Kelley / Michael Shapovalov / Oliver I. Snapp / Robert Leslie Shotwell / Roger Dearborn Marsden / Samuel Fortier / Wells Aleck Hutchins / William Henry Black / William John Zaumeyer / William Walter Yothers / Arthur Appleton Young / Arthur Charles Mason / F. Sidney Beecher / G. J. Haeussler / Glenn Arthur Cumings / Joseph Stuart Caldwell / Oscar Roland Mathews / Ray Palmer Teele / W. R. Barger

LCCN:agr30001230

Barns

Carl von Linné

OCLC:945673277

César Arita Armendáriz / Eugene Vernon Maas / Francisco Zapata Faccuseh / Juan Bautista de Dios Hernández / Leopoldo Moreno Díaz

OCLC:4260039

Corn

Franciscus Johannes Hoffman / G.J. Overbeek

OCLC:64372746