Books by Helmut Waszkis
Dr. Moritz (Don Mauricio) Hochschild, 1881-1965: The Man and His Companies, A German Jewish Mining Entrepreneur in South America (Berliner Lateinamerika-Forschungen)
Metal trading, metal traders,
Metal trading, metal traders, ore and metal traders
The Story Of Metal Trading
The Story Of Metal Trading
Dr Moritz Don Mauricio Hochschild 1881-1965
Dr. Moritz Hochschild 1881-19
Dr. Moritz Hochschild 1881-1965
Mining in the Americas
Philipp Brothers
Tales of Peru
Tales of Peru