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Ensayo sobre la Jeolojía
Published in Anales de la Universidad de Chile, in 1869, in volume 32, pages 391-404
Created: 2017-06-07, modified: 2017-06-07
American History from German Archives
Published in Proceedings of The American Philosophical Society, in 1900, in volume 39, issue 162, pages 129-154
Created: 2017-01-01, modified: 2017-01-01