Direction of the Royal Prussian coal mines at Saarbrücken
Subtitle: Weltausstellung zu Chicago, 1893. The Columbian world exposition, Chicago, 1893
Publisher: Hofer
Published: 1893
Place of publication: Saarbrücken]
Language: eng; ger
Number of pages: 35
Subjects: Coal mines and mining
Notes: At head of title: Königl. preussische bergwerks-direction zu Saarbrücken.

Text in German and English.