Hans Jochmann

Born 1900-01-01

Identifiers

  • Open LibraryOL13306462A

Top Subjects

  • Hours of labor (1)
  • Miners (1)
  • Mineral industries (1)
  • History (1)
  • Germany (1)
  • Ruhr (Region) (1)

Books by Hans Jochmann

Total count: 1