Discovery And Exploration
- Digital archive Geological report by J.S. Newberry and map by J.N. Macomb from the Exploring Expedition in 1859 /
- Digital archive report upon the Colorado River of the West explored in 1857 and 1858 by Lieutenant Joseph C. Ives ; geological report with maps by John S. Newberry /
- Geschichte der Osterreichischen Polarforschung History of the Austrian Polar exploration /
- TopicIndex