Coal production in the Ruhr district (end of May 1920) enquiry by the International Labour Office.

Japanese energy independence: an imppossible dreamn 由 Smernoff, Barry J

The Kaiping mines, 1877-1912 由 Carlson, Ellsworth C.

My land is dying 由 Caudill, Harry M. 1922-

Women in love 由 Lawrence, D. H. (David Herbert) 1885-1930

Women in love 由 Lawrence, D. H. (David Herbert) 1885-1930

Coal mine legislations containing acts, rules and regulations relating to coal mines legislation, as amended up to date with history of amendment and short comments 由 Bagga, S. N.

Methods of working coal and metal mines planning and operations 由 Woodruff, Seth D.

Available for University of the Philippines System via ScienceDirect. Click here to access
Also available remotely for University of the Philippines System via ScienceDirect. Click here to access thru EZproxy

The strength, fracture, and workability of coal a monograph on basic work on coal winning carried out by the Mining Research Establishment, National Coal Board 由 Evans, Ivor, Pomeroy, C. D.

Available for University of the Philippines System via ScienceDirect. Click here to access
Also available remotely for University of the Philippines System via ScienceDirect. Click here to access thru EZproxy

The strength, fracture, and workability of coal; monograph on basic work on coal winning carried out by the Mining Research Establishment, National Coal Board 由 Evans, Ivor