1
Book
2
by Osborne, Sidney
Published 1920
Book
7
Published 2008
Book
8
Published 2008
...Landscape built on coal...
Book
9
...David Nash : wood and coal...
Book
10
by Cybulski, Krzysztof
Published 2005
...Coal dust explosion hazard and efficiency assessment of preventive action in polish hard coal mines...
Book
11
Published 2000
...Coal Mining in the Śląskie Voivodship in 1999...
Book
12
by Brooks, G.S.
Published 1932
...Critical social-economic problems in the silesian coal industry...
Book