Arno Carl Fieldner / C. H. Shapiro / Charles Wesley Davis / Ludwig Schmidt / William Waugh Adams

OSU:32435055052328

Coal mine accidents

Louis Jacob Trostel / H. W. Frevert

OCLC:39336221

Dust

S. H. Katz / H. W. Frevert / J. J. Bloomfield

OCLC:457804882

United States. Bureau of Mines

UOM:39015020071778

Gas masks

A. C. Davis / H. W. Frevert / Port of New York Authority

OCLC:19174160

United States. Bureau of Mines

OCLC:1139514825

Acid mine drainage

Arno Carl Fieldner

OCLC:426044206

Gas masks

Sidney Hershberg Katz / D. A. Reynolds / H. W. Frevert / John Jacob Bloomfield

LCCN:26026166

Carbon monoxide

Arno Carl Fieldner / Sidney Hershberg Katz / H. W. Frevert

OCLC:41455948

Gas masks

Byron O. Pickard / C. G. Maier / Charles Edward Augustine / Clifford Pinkney Bowie / George S. Tilley / George William Jones / Harold Carl Miller / Jay John Jakosky / Lowell Haines Milligan / Lynton Dewitt Wyant / Sidney Hershberg Katz / Thomas Fraser / United States. Bureau of Mines / William Parks Yant / Lawrence Bursley Berger

LCCN:25026080

Alkanes

Sidney Hershberg Katz / D. A. Reynolds / H. W. Frevert / John Jacob Bloomfield

LCCN:26026166

Carbon monoxide