D. E. Wolfson / Francis R. Cattoir / G. W. Elger / Henry G. Dorsett / Ignatz L. Feld / John B. Gayle / John Nagy / John S. Tosh / Joseph A. Herickes / Leslie J. Kane / Marcel Vanpée / Norwood B. Melcher / R. Ward Stahl / Raymond L. Carpenter / Walter W. Fowkes / Warren M. Mahan / William A. McKinney / Carl Rampacek / Edwin M. Murphy / G. H. Damon / George W. Birge / H. C. Wright / H. G. Wolfhard / Haruo Kato / Miles Benjamin Royer / R. E. Perry / Correll C. Shale / Donald W. Mitchell / J. H. Lynch / Michael George Zabetakis / W. E. Lamont

OSU:32435025835554

Blast furnaces

Michael George Zabetakis / R. Ward Stahl / H. A. Watson

UOM:39015077564063

Coal mines and mining

J. B. Benson / H. E. Sanford / R. Ward Stahl

UOM:39015078464198

Coal mines and mining

H. D. Kline / Haskiel Roy Shell / M. R. Geer / R. Ward Stahl / Ralph V. Higgins / William Joseph Campbell / Harry Fagan Yancey / J. E. Comeforo / John W. Thatcher / W. F. Brown / Wilhelm Eitel

OSU:32435067623256

Anthracite coal

R. Ward Stahl / James J. Dowd

UOM:39015077562422

Coal-mining machinery

R. Ward Stahl / H. E. Sanford / J. B. Benson

UOM:39015078464032

Coal mines and mining

W. Dan Walker / R. Ward Stahl

UOM:39015077563883

Hoisting machinery

Robert T. Davis / R. Ward Stahl

UOM:39015078535062

Coal mines and mining

R. Ward Stahl / C. H. Dodge

UOM:39015078468504

Coal mines and mining

R. Ward Stahl

UOM:39015078541722

Mine ventilation

R. Ward Stahl / F. F. Kapsch

UOM:39015078528802

Coal mines and mining

R. Ward Stahl / Robert T. Davis

UOM:39015077577024

Mine safety

R. Ward Stahl

UOM:39015077562414

Blasting

R. Ward Stahl

UOM:39015077563933

Coal mines and mining

R. Ward Stahl

UOM:39015077577289

Coal mine waste

R. Ward Stahl

UOM:39015078528356

Coal-mining machinery

R. Ward Stahl

UOM:39015077564303

Coal mines and mining

Francis R. Cattoir / G. W. Elger / John Nagy / R. Ward Stahl / Edwin M. Murphy / Donald W. Mitchell

OSU:32435057248585

Coal mines and mining

A. U. Christensen / Abraham L. Engel / Arthur Matzick / Charles W. Huggins / D. E. Ingersoll / Donald J. Bauer / Eldon C. Pattee / Eldred Dewey Wilson / Haskiel Roy Shell / Howard E. Powell / J. B. Zadra / Joel N. Van Sant / R. Ward Stahl / Ralph F. Tenney / Ralph V. Higgins / Robert L. Montgomery / Robert L. Rough / Sabri Ergun / A. C. Rice / G. W. Martin / Harold J. Heinen / J. D. Clendenin / James Wilson Eckerd / John M. Gomes / Morris Mentser / Raymond O. Dannenberg / Boyd Guthrie / John S. Berber / William S. Sanner

OSU:32435067623322

Anthracite coal

R. Ward Stahl / Clarence J. Dalzell

UOM:39015077576935

Coal

R. Ward Stahl / Robert T. Davis

STANFORD:36105019647275

Coal mines and mining

R. Ward Stahl

UOM:39015078534883

Fire extinction

Robert M. Becker / B. B. Letson / Edward W. Parsons / Harold J. Heinen / James S. Browning / John J. Mulligan / John Nagy / John S. Berber / L. B. Pankratz / Manuel Gomez / Milton M. Tilman / Oliver Q. Leone / R. C. Buehl / Raynard V. Lundquist / Wallace Woods Agey / Arthur R. Taylor / Benjamin F. Andrew / C. L. Barber / Donald W. Mitchell / Frank S. Wartman / Frank W. Millsaps / Henry G. Dorsett / Lars Osen / Leslie R. Little / Austin R. Cooper / Don Hobart Baker / Edward M. Kawenski / J. P. Morris / Paul E. Bennett

OSU:32435067624106

Aluminum

Clarence Watson Owings / Joe Perry Morris / John W. Moore / R. Ward Stahl / Richard N. Appling (Jr.) / United States. Bureau of Mines / W. A. Calhoun / W. A. Cole / C. H. Dodge / H. N. Dunning / John P. Harmon / V. C. Petersen / W. A. Grosh / C. J. Stehlik

OSU:32435067623504

Bauxite

Edward M. Kawenski / Edwin M. Murphy / R. Ward Stahl

UOM:39015077564394

Coal mines and mining

George R. McLean

HARVARD:32044103154530

Daniel R. Levitt

9781566638692 / 1566638690

History

Deutsche Gesellschaft fu r Anthropologie, Ethnologie und Urgeschichte

SRLF:D0003946258

Guy R. Williams

STANFORD:36105010156276

Medical

Paul R Mort / William Shafer Vincent

UOM:39015004927623

Education