Coba jelasin Catatan dari Penambangan batu bara dong

Hughes. Herbert W, A Text-Book of Mining: For the use of colliery managers and others (London, many editions 1892-1917), the standard British textbook for its era.

Kuenzer, Claudia. Coal Mining in China (In: Schumacher-Voelker, E., and Mueller, B., (Eds.), 2007: BusinessFocus China, Energy: A Comprehensive Overview of the Chinese Energy Sector. gic Deutschland Verlag, 281 pp.,  pp. 62–68)

Charles V. Nielsen and George F. Richardson. 1982 Keystone Coal Industry Manual (1982)

Saleem H. Ali. "Minding our Minerals, 2006."

A.K. Srivastava. Coal Mining Industry in India (1998) ()

Tonge, James. The principles and practice of coal mining (1906)

Woytinsky, W. S., and E. S. Woytinsky. World Population and Production Trends and Outlooks (1953) pp 840–881; with many tables and maps on the worldwide coal industry in 1950