Lloyd William Stephenson / Julia Anna Gardner / George Herbert Girty / Nelson Horatio Darton / Edward Wilber Berry / Julian Ducker Sears / Charles Butler Hunt / Thomas Andrews Hendricks

PSU:000018229028

Coal

Julian Ducker Sears

STANFORD:36105001159230

Coal

Julian Ducker Sears

ERDC:35925000605565

Geology

Julian Ducker Sears

RUTGERS:39030042419996

Coal

Julian Ducker Sears

RUTGERS:39030042419996

Coal

OSU:32435022088843

Corals, Fossil

Julian Ducker Sears

OCLC:607003000

Lloyd William Stephenson / Julia Anna Gardner / George Herbert Girty / Nelson Horatio Darton / Edward Wilber Berry / Julian Ducker Sears / Charles Butler Hunt / Thomas Andrews Hendricks

PSU:000018229028

Coal

Julian Ducker SEARS

OCLC:504062617

Julian Ducker SEARS / Thomas Andrews HENDRICKS (Geologist) / Charles Butler HUNT

OCLC:504547272

Julian Ducker Sears

STANFORD:36105001159230

Coal

Julian Ducker Sears / Charles Butler Hunt / Carle Hamilton Dane

UCSC:32106020888431

Coal

Geological Survey (U.S.) / Julian Ducker Sears / Charles Butler Hunt

OCLC:148880557

United States. Congress. House

OCLC:1065624937

Julian Ducker Sears / Charles Butler Hunt

OCLC:2899479

Julian Ducker Sears

ERDC:35925000605565

Geology

United States. Congress. House

OCLC:1065847231

Julian Ducker Sears / Charles Butler Hunt / Thomas Andrews Hendricks

OCLC:891572353

Geology

Julian Ducker Sears

OCLC:793416646

Julian Ducker Sears

OCLC:191969686

Julian Ducker Sears

OCLC:6027883

Manganese ores

Arthur Carleton Trowbridge / Charles Wythe Cooke / Chester Keeler Wentworth / Edward Wilber Berry / Florence Bascom / Frank Hall Knowlton / Frank Wigglesworth Clarke / James Williams Gidley / John Bernard Reeside / Julia Anna Gardner / Julian Ducker Sears / Levi Fatzinger Noble / Reinhardt Thiessen / Walter R. Smith / William Healey Dall

LCCN:gs23000331

Ammonoidea

Julian Ducker SEARS

OCLC:504547287

Edward Wilber Berry / George Herbert Girty / Joseph Augustine Cushman / Julia Anna Gardner / Julian Ducker Sears / Lloyd William Stephenson / Nelson Horatio Darton / Philip Sidney Smith / William Drumm Johnston / Charles Butler Hunt / Thomas Andrews Hendricks

LCCN:gs40000267

Geology

Frank Wigglesworth Clarke / Julian Ducker Sears / Walter Atheling English / Paul W. Prutzman

LCCN:gs26000005

Coal

Arthur Coe Spencer / Julian Ducker Sears / Sidney Paige

OCLC:5858872

Coal

Julian Ducker Sears

OCLC:5858872

Coal

Julian Ducker Sears

OCLC:32416554

Coal

OCLC:5621026

Coal

Julian Ducker Sears / Wilmot Hyde Bradley

OCLC:891572128

Formations (Geology)