Charles Thomas Pierson / Edwin Robert Landis / Harry Clifford Granger / J. H. Stewart / James G. Stephens / Roy Clark Kepferle / Tom Gray Lovering / Ernest Pete Beroni / George A Williams / Marion Joseph Bergin / Robert Bruce Raup / W. F. Weeks / Frank Joseph Kleinhampl / Howard Franklin Albee / Omer B. Raup / Robert Allen Cadigan

OSU:32435022088595

Geology

Edward George Sable / Roy Clark Kepferle / Warren Lee Peterson

ERDC:35925000412426

Geology

Roy Clark Kepferle

STANFORD:36105007627719

Geology

Roy Clark Kepferle

UOM:39015095011741

Geology

Roy Clark Kepferle / Paul Edwin Potter / Wayne Arthur Pryor

ERDC:35925003457816

Geology

Roy Clark Kepferle

ERDC:35925000602398

Lignite

Roy Clark Kepferle / Paul Edwin Potter / Wayne Arthur Pryor

ERDC:35925003457816

Geology

Edward George Sable / Roy Clark Kepferle / Warren Lee Peterson

ERDC:35925000412426

Geology

Arthur Lloyd Howland / D. C. Cox / Dolan H. Eargle (Jr.) / Douglas M. Sheridan / Henry Nathaniel Andrews / Lyman C. Huff / R. J. Dunham / Roy Clark Kepferle / V. C. Fryklund

LCCN:gs56000110

Chromite

Roy Clark Kepferle / Paul Edwin Potter / Wayne Arthur Pryor / Thomas V. Stenbeck

OCLC:885281985

Geology

Geological Society of Kentucky

UIUC:30112112957482

Geology

Carle Hamilton Dane / Douglas F. B Black / Edward George Sable / George Vincent Cohee / Gordon Whitney Weir / Henry Rowland Cornwall / James William Bingham / Richard Goldsmith / William Douglas Carter / Robert C. Greene / Earle Rupert Cressman / James Louis Gualtieri / Maurice J. Grolier / Roy Clark Kepferle / Walter Scott West / William Aubrey Cobban / Erle Galen Kauffman / George Clarke Simmons / Warren Lee Peterson / William Charles MacQuown

LCCN:gs66000258

Geology

Medora Louise Hooper Krieger / Roy Clark Kepferle / William Aubrey Cobban

LCCN:76608331

Ammonoidea

Medora Louise Hooper Krieger / Roy Clark Kepferle / Thomas H. Yorke / Thomas Llewellyn Wright / William Aubrey Cobban / Reginald T. Okamura / William J. Herb

LCCN:76608206

Ammonoidea

Henry S. Johnson / Albert Fillion Trites / Charles Thomas Pierson / Edwin Robert Landis / Francis Alexander McKeown / Frank C. Armstrong / Garland Bayard Gott / George Earle Becraft / Harry Clifford Granger / James Bachelder Cathcart / James G. Stephens / Montis Ruhl Klepper / Roy Clark Kepferle / Tom Gray Lovering / William James Hail (Jr.) / Donald Gray Wyant / Ernest Pete Beroni / George A. Hadd / Harry Klemic / Marion Joseph Bergin / Paul Lester Weis / Ralph H. Thurston / Robert Bruce Raup

OCLC:1732607

Apatite