Die Alten Zechen an der Ruhr
By: Wilhelm und Gertrude Hermann.
Contributors: Hermann, Gertrude.
Edition: 3., völlig neu bearbeitete und erw. Aufl.
Series: Die Blauen Bücher
Publisher: K.R. Langewiesche
Published: 1990
Place of publication: Königstein im Taunus
Language: ger
Number of pages: 319
Subjects: Coal mines and mining -- Germany -- Ruhr (Region) -- History.
Notes: Includes bibliographical references (p. 318-319) and index.