Daniel Harrington / A. R. Elliott / Arno Carl Fieldner / Arthur Edward Wells / Arthur Warren Ambrose / Byron O. Pickard / C. Lorimer Colburn / Carl Alton Allen / Charles Edward Munroe / Cleve Edwin Kindall / Clifford Pinkney Bowie / Donald B. Dow / Earl Renwick McMillan / Ernest Woodward Dean / Eugene Delos Gardner / Frederick Gardner Cottrell / George Samuel Rice / Harry Earle Tufft / Harry H. Hill / James Ogier Lewis / John Allen Davis / John Gross / John Joseph Vincent Forbes / Lionel Herman Duschak / Martin Joseph Gavin / Nicholas Arthur Clarke Smith / Oliver Bowles / Raymond Bardeen Ladoo / Reinhardt Thiessen / Royd Ray Sayers / Sidney Hershberg Katz / Spencer Pritchard Howell / Willard Walker Cutler / William Wallace Odell / William Waugh Adams / Walter Abraham Jacobs / E. W. Dyer / J. E. Crawshaw / L. H. Sharp

OSU:32435067622506

Asbestos

Elmer Allen Holbrook / Henry Kreisinger / Raymond Bardeen Ladoo / John Blizard / Richard V. Ageton / Albert Russell Mumford / Harry Earle Tufft / Bertram J. Cross / W. R. Argyle / Ralph A. Sherman

OSU:32435056593999

Mine timbering

Roy R. Hornor / Harry Earle Tufft

UIUC:30112104059909

Mine timbering

Elmer Allen Holbrook / Richard Valentine Ageton / Harry Earle Tufft

UIUC:30112104112054

Mine timbering

John Robert Reeves / Lee Clyde Ilsley / Albert Russell Mumford / Alfred Richard Powell / Alva Britt Hooker / Arthur L. Murray / B. Marvel O'Harra / Charles Arthur Herbert / Donald B. Dow / Earl Carlton Lane / Edward Phillip Barrett / Ermon Dwight Eastman / Ernest J. Gleim / Eugene Delos Gardner / Galen Howell Clevenger / George William Jones / Harry Earle Tufft / Henry Kreisinger / James Washington Paul / Lewis Cass Karrick / Oliver Bowles / Raymond Bardeen Ladoo / Royd Ray Sayers / S. P. Kinney / Samuel Colville Lind / Sidney Hershberg Katz / Spencer Pritchard Howell / William Marsh Myers / William Melvin Weigel / William Waugh Adams / Alphonso Cornejo / Arno Carl Fieldner / Claude William Mitchell / Daniel Harrington / Hilary Breton Brunot / J. J. Bourquin / John Blizard / John D. Sullivan / Max Wilhelm von Bernewitz / N. F. LeJeune / Raymond Arthur Kearns / William Parks Yant / C. W. Davis / John Jacob Bloomfield

OSU:32435067622555

Air

United States. Bureau of Mines

OSU:32435026701482

Coal

Daniel Harrington / A. R. Elliott / Arno Carl Fieldner / Arthur Edward Wells / Arthur Warren Ambrose / Byron O. Pickard / C. Lorimer Colburn / Carl Alton Allen / Charles Edward Munroe / Cleve Edwin Kindall / Clifford Pinkney Bowie / Donald B. Dow / Earl Renwick McMillan / Ernest Woodward Dean / Eugene Delos Gardner / Frederick Gardner Cottrell / George Samuel Rice / Harry Earle Tufft / Harry H. Hill / James Ogier Lewis / John Allen Davis / John Gross / John Joseph Vincent Forbes / Lionel Herman Duschak / Martin Joseph Gavin / Nicholas Arthur Clarke Smith / Oliver Bowles / Raymond Bardeen Ladoo / Reinhardt Thiessen / Royd Ray Sayers / Sidney Hershberg Katz / Spencer Pritchard Howell / Willard Walker Cutler / William Wallace Odell / William Waugh Adams / Walter Abraham Jacobs / E. W. Dyer / J. E. Crawshaw / L. H. Sharp

OSU:32435067622506

Asbestos

Elmer Allen Holbrook / Henry Kreisinger / Raymond Bardeen Ladoo / John Blizard / Richard V. Ageton / Albert Russell Mumford / Harry Earle Tufft / Bertram J. Cross / W. R. Argyle / Ralph A. Sherman

OSU:32435056593999

Mine timbering

Elmer Allen Holbrook / Richard V. Ageton / Harry Earle Tufft

OSU:32435026701516

Mine timbering

Harry Earle Tufft

OCLC:1139479476

Anthracite coal

Roy R. Hornor / Harry Earle Tufft

UIUC:30112104059909

Mine timbering

Harry Earle Tufft

OCLC:1139496268

Anthracite coal industry

OCLC:1139489289

Abrasives

Charles Arthur Herbert / Elmer Allen Holbrook / Henry Kreisinger / Ned H. Snyder / Oliver Caldwell Ralston / Ronald Van Auken Mills / Roy R. Hornor / Theodore Earl Swigart / United States. Bureau of Mines / Walter Richard Crane / Charles Edward Beecher / Harry Earle Tufft / John Blizard / John Joseph RRutledge / Robert Dickson Pike / Thomas Fraser / Charles Edward Augustine / Lionel Herman Duschak / Bertram J. Cross

LCCN:23026912

Coal

John Robert Reeves / Lee Clyde Ilsley / Albert Russell Mumford / Alfred Richard Powell / Alva Britt Hooker / Arthur L. Murray / B. Marvel O'Harra / Charles Arthur Herbert / Donald B. Dow / Earl Carlton Lane / Edward Phillip Barrett / Ermon Dwight Eastman / Ernest J. Gleim / Eugene Delos Gardner / Galen Howell Clevenger / George William Jones / Harry Earle Tufft / Henry Kreisinger / James Washington Paul / Lewis Cass Karrick / Oliver Bowles / Raymond Bardeen Ladoo / Royd Ray Sayers / S. P. Kinney / Samuel Colville Lind / Sidney Hershberg Katz / Spencer Pritchard Howell / William Marsh Myers / William Melvin Weigel / William Waugh Adams / Alphonso Cornejo / Arno Carl Fieldner / Claude William Mitchell / Daniel Harrington / Hilary Breton Brunot / J. J. Bourquin / John Blizard / John D. Sullivan / Max Wilhelm von Bernewitz / N. F. LeJeune / Raymond Arthur Kearns / William Parks Yant / C. W. Davis / John Jacob Bloomfield

OSU:32435067622555

Air

Harry Earle Tufft

OCLC:1139477088

Air