المؤلفون: Mori, Hiromasa, 1943-
مصطلحات موضوعية: Foreign workers, Japanese -- Germany (West) -- History -- 20th century., Contract labor -- Germany (West) -- History -- 20th century., Coal miners -- Japan -- History -- 20th century., Mineral industries -- Germany (West) -- History -- 20th century.
المؤلفون: Takenaka, Tōru, 1955-
مصطلحات موضوعية: Siemens-Schuckertwerke -- History., Electric industries -- Germany -- History., Corporations, German -- Japan -- History.