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Coal Mining in Europe: A Study of Practices in Different Coal Formations and Under Various Economic and Regulatory Conditions Compared with Those in the United States (open access)

Coal Mining in Europe: A Study of Practices in Different Coal Formations and Under Various Economic and Regulatory Conditions Compared with Those in the United States

From Introduction: "The major purpose of this bulletin, as indicated in the preface by Dr. John W. Finch, Director of the Bureau of Mines, is to give a critical review of the coal-mining methods used in the principal producing countries of Europe, to describe the reasons underlying the adoption of these methods, and to contrast them with coal-mining methods employed in the United States."
Date: 1939
Creator: Rice, George S. & Hartmann, Irving
Object Type: Report
System: The UNT Digital Library
Weisbuch und Führerkundgebungen (open access)

Weisbuch und Führerkundgebungen

Photographs and descriptions of the campaign in Poland and the east, featuring Hitler's role as commander and planner. A propaganda work glorifying Hitler and the German soldiers.
Date: 1939
Creator: Hoffmann, Heinrich, 1885-1957
Object Type: Book
System: The UNT Digital Library
Von der Grenze bis vor Warschau (open access)

Von der Grenze bis vor Warschau

Photographs and descriptions of the campaign in Poland and the east, featuring Hitler's role as commander and planner. A propaganda work glorifying Hitler and the German soldiers.
Date: 1939
Creator: Hoffmann, Heinrich, 1885-1957.
Object Type: Book
System: The UNT Digital Library