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

George Samuel Rice

UOM:39015077572280

Coal mines and mining

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

UOM:39015077566894

Explosions

Irving Hartmann / Henry C. Howarth / John Nagy

UOM:39015078503540

Coal mines and mining

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

UOM:39015077566795

Dust explosions

Irving Hartmann / Henry C. Howarth / Harold Putnam Greenwald

UOM:39015078485888

Coal mines and mining

Harold Putnam Greenwald / Henry C. Howarth

UOM:39015086556035

Coal mines and mining

Harold Putnam Greenwald / Henry C. Howarth / Irving Hartmann

UOM:39015078492074

Coal mines and mining

John Nagy / Irving Hartmann / Henry C. Howarth

PSU:000015437280

Coal mines and mining

Harold Putnam Greenwald / Henry C. Howarth

UOM:39015078485094

Potash deposits

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

UOM:39015077566910

Coal mines and mining

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

UIUC:30112101025200

Coal mines and mining

Harold Putnam Greenwald / Henry C. Howarth

UOM:39015078517912

Mine roof control

Harold Putnam Greenwald / Henry C. Howarth / Irving Hartmann

UOM:39015078495085

Coal mines and mining

Henry C. Howarth

UOM:39015078480228

Coal mines and mining

Harold Putnam Greenwald / Henry C. Howarth / Irving Hartmann

UOM:39015078485151

Coal mines and mining

Irving Hartmann / John Nagy / Henry C. Howarth

UOM:39015078470450

International Conference of Directors of Mine Safety Research

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

UOM:39015077566613

Concrete stoppings (Mining)

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

UOM:39015077566431

Coal mines and mining

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

UIUC:30112104113003

Coal mines and mining

United States. Bureau of Mines / Harold Putnam Greenwald / Henry C. Howarth

OCLC:148974110

Harold Putnam Greenwald / Henry C. Howarth / John Nagy / Irving Hartmann

UOM:39015078485961

Coal mines and mining

United States. Bureau of Mines

OCLC:1139481596

Carbon

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

OCLC:1139512019

Electricity in mining

Irving Hartmann / H. C. Howarth / John Nagy

OCLC:250690848

United States. Bureau of Mines

OCLC:1139491860

Anthracite coal

Henry C. Howarth / Harold Putnam Greenwald

OCLC:41455972

Coal mines and mining

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

OCLC:41438025

Coal mines and mining

OCLC:932930923

Albert E. Keller / George Randolph Hopkins / George Samuel Rice / Hewitt Wilson / Kenneth Keith Kelley / Paul Gordon Guest / Percy Nicholls / William Waugh Adams / Harold Putnam Greenwald / L. E. Geyer / Henry C. Howarth / L. Chenoweth

OSU:32435026701227

Accounting