Estatutos de la Sociedad Carbonífera y Minera Mexicana : sociedad anónima, domiciliada en México.

Mode of access: Internet.

Labor-management seminar V : education for contract administration /

Mode of access: Internet.

Labor-management seminar III : factors affecting wildcat strikes /

Mode of access: Internet.

Deuxième série d'essais sur les inflammations de poussières; essais d'inflammabilité,

Mode of access: Internet.

Premiers essais sur l'inflammabilité des poussières.

Mode of access: Internet.

Troisième série d'essais sur les inflammations de poussières; production des coups de poussières,

Mode of access: Internet.

Compilation of grievances /

Place of publication varies.

Comparative views of the most important anthracite collieries in Pennsylvania.

Mode of access: Internet.

Les houillères en 1868.

Mode of access: Internet.

Seminars on labor-management relations /

Seminars held in Washington, D.C.

A magyar korona orszagainak ásványszenei (köszenek, barnaszenek, lignitek) ... A.k.m. természettudomanyi társulattól palyadijjal jutalmazott mü. Egy átnezetes térképpel.

Mode of access: Internet.

Anthracite,

Mode of access: Internet.

Cooperative agreement /

Imprint varies.

Biennial report of the Bureau of Labor of the State of Washington.

Includes: Biennial report of Factory, Mill and Railroad Inspection, and: Biennial report of the State Inspector of Coal Mines.

Proceedings ...

Mode of access: Internet.