Albert Lawrence Godbert / Harold Putnam Greenwald

UIUC:30112102049126

Coal mines and mining

Harold Putnam Greenwald

UOM:39015078490128

Coal mines and mining

George Samuel Rice / Harold Putnam Greenwald / Henry C. Howarth

UIUC:30112104113003

Coal mines and mining

Harold Putnam Greenwald / S. Avins / G. S. Rice

UOM:39015077559337

Coal mines and mining

Harold Putnam Greenwald

UOM:39015078496653

Coal mines and mining

Harold Putnam Greenwald

UIUC:30112104112963

Coal mines and mining

Harold Putnam Greenwald / Henry C. Howarth / Irving Hartmann

UOM:39015078485151

Coal mines and mining

George Samuel Rice

UOM:39015077568791

Coal mines and mining

Harold Putnam Greenwald / Henry C. Howarth / Irving Hartmann

UOM:39015078492074

Coal mines and mining

George Samuel Rice / Harold Putnam Greenwald / Henry C. Howarth

UOM:39015077566910

Coal mines and mining

Charles Freeman Jackson / Clifford Cook Furnas / Eugene Delos Gardner / Harold Putnam Greenwald / L. C. Ilsley / Percy Nicholls / Simon Harry Ash / William Waugh Adams / Alva Britt Hooker / Charles Warren Staples / John Ballantine Knaebel / John Frederick Johnson / Joseph Holbrook Rankin / Earl Jeffries Coggeshall

OSU:32435026701235

Cables

George Samuel Rice

UOM:39015077572280

Coal mines and mining

George Samuel Rice / Harold Putnam Greenwald

UOM:39015077567504

Mine explosions

Carl Ernest Reistle / Charles Freeman Jackson / George Samuel Rice / George St. John Perrott / Kenneth Keith Kelley / Simon Harry Ash / Wilfred Charles Furness Shepherd / William Waugh Adams / Harold Putnam Greenwald / John Ballantine Knaebel / L. E. Geyer / Noah Arthur Tolch / Henry C. Howarth / L. Chenoweth

OSU:32435026701243

Alkanes

Harold Putnam Greenwald / Henry C. Howarth / Irving Hartmann

UOM:39015078495085

Coal mines and mining

George Samuel Rice / Lewis M. Jones / Willard Leo Egy / Harold Putnam Greenwald

OSU:32435056594351

Coal mines and mining

James Washington Paul / Harold Putnam Greenwald / George Edward McElroy

UOM:39015095269679

Coal mines and mining

George Samuel Rice / James Washington Paul / Harold Putnam Greenwald

UIUC:30112104112146

Coal mines and mining

Clyde Elmer Williams / George S. Tilley / George Samuel Rice / Oliver Bowles / Edward P. Barrett / James Washington Paul / Russell Ward Millar / W. M. Myers / Bernard Marvin Larsen / Harold Putnam Greenwald

OSU:32435026701417

Aluminum

Harold Putnam Greenwald / Henry C. Howarth

UOM:39015086556035

Coal mines and mining

Hubert Frank Coward / Harold Putnam Greenwald

UOM:39015077316217

Flame

Harold Putnam Greenwald

UOM:39015078542886

Coal mines and mining

George Samuel Rice / Harold Putnam Greenwald / Henry C. Howarth

UOM:39015077566894

Explosions

Harold Putnam Greenwald / George Edward McElroy

UIUC:30112104112229

Coal mines and mining

Irving Hartmann / Henry C. Howarth / Harold Putnam Greenwald

UOM:39015078485888

Coal mines and mining

Irving Hartmann / Harold Putnam Greenwald

UOM:39015078515593

Coal mines and mining

Earl R. Maize / Edward Thomas / Harold Putnam Greenwald

UOM:39015078493742

Coal mines and mining

Clarence Watson Owings / Walter Alfred Selvig / Harold Putnam Greenwald

UOM:39015078534263

Coal mines and mining

George Samuel Rice / Harold Putnam Greenwald / Henry C. Howarth

UIUC:30112101025200

Coal mines and mining

George Samuel Rice / Harold Putnam Greenwald / Henry C. Howarth

UOM:39015077566431

Coal mines and mining