Arthur Cutts Willard / Clarence Walter Ham / Cloyde Moffett Smith / Cullen Warner Parmelee / Alfred Earl Badger / David Gerald Ryan / George A. Ballam

OSU:32435068800788

Coal mines and mining

Cullen Warner Parmelee / Harold Eaton Babbitt / Herbert Fisher Moore / Samuel Wilson Parr / Albert E. R. Westerman / Frank Charles Howard / Frederick Guy Straub / Wilbur H. Pfeiffer

OSU:32435068222348

Boiler-plates

Cullen Warner Parmelee / George Harper Dell / Nathan Mortimore Newmark / Thomas James Dolan / Wilbur M. Wilson / Arthur Barthen Wilder / Rex Lenoi Brown

OSU:32435064057045

Engineering

Cullen Warner Parmelee / Everett Gillham Young / Herbert Fisher Moore / Wilbur M. Wilson / Bernard Breast Betty / John Otto Kraehenbuehl / Ralph Wendel Kluge / Curtis Walter Dollins

OSU:32435068800275

Arch bridges

Cullen Warner Parmelee / Wilbur M. Wilson / Alfred Earl Badger / Ralph Wendel Kluge

OSU:32435068220243

Arch bridges

Cullen Warner Parmelee / Cameron Gerald Harman

UOM:39015027874026

Crafts & Hobbies

Cullen Warner Parmelee

UIUC:30112100641338

Clay

Abner Richard Knight / Cullen Warner Parmelee / Samuel Wilson Parr / Frederick Guy Straub / Max Albert Faucett / Pierce Waddell Ketchum

OSU:32435068220631

Boiler-plates

Chalmer Lewis Cooper / Cullen Warner Parmelee / Ernest Paul Du Bois / Frank Emerson Tippie / Frank Hynes Reed / Harold Bowen Willman / Heinz Adolf Lowenstam / Illinois State Geological Survey / James Stewart Machin / Leland Horberg / Ralph Early Grim / Robert Mann Grogan / Roy John Helfinstine / Stewart Huntley Folk / Walter Henry Voskuil / William Frank Bradley / William Heyden Easton / Cameron Gerald Harman / Carl Andrew Bays / Douglas F. Stevens / Frederick Leicester Cuthbert / Harold Wesley Jackman / John Everts Lamar / Robert Ramon Reynolds / Nina T. Hamrick / Paul Herbert / Paul Wellana Henline

OSU:32435022113377

Carbonization

Alfred Copeland Callen / Alonzo Plumsted Kratz / Cullen Warner Parmelee / George Wellington Pickels / Cloyde Moffett Smith / Thomas Newkirk McVay

OSU:32435068797281

Coal mine accidents

Cullen Warner Parmelee / Cameron Gerald Harman

UIUC:30112067288693

Geology

Cullen Warner Parmelee / Charles Ross Schroyer

UVA:X002470789

Clay

Cullen Warner Parmelee

IND:30000115064051

Glazes

Cullen Warner Parmelee

IND:30000115064051

Glazes

Cullen Warner Parmelee

UIUC:30112121903360

Silica

Cullen Warner Parmelee / Harold Eaton Babbitt / Herbert Fisher Moore / Samuel Wilson Parr / Albert E. R. Westerman / Frank Charles Howard / Frederick Guy Straub / Wilbur H. Pfeiffer

OSU:32435068222348

Boiler-plates

Cullen Warner Parmelee

UIUC:30112126848008

Clay

Orin Wainwright Rees / Chalmer Lewis Cooper / Cullen Warner Parmelee / Gilbert Haven Cady / Harold Bowen Willman / James Morton Schopf / James Stewart Machin / Louis Cordell McCabe / Ralph Early Grim / Robert James Piersol / Walter Henry Voskuil / G. N. Oliver / George William Land / James Franklin Vaneck / Lewis Edwin Workman / S. Konzo / William Frank Bradley / Frank Hynes Reed / Martin Calvin Watson

LCCN:gs40000340

Bricks