Observations on terrestrial magnetism in Mexico Conducted under the direction of Baron von Mueller, with notes and illustrations of an examination of the volcano Popocatepetl and its vicinity
Observations on terrestrial magnetism in Mexico Conducted under the direction of Baron von Muller, with notes and illustrations of an examination of the volcano Popocatepetl and its vicinity
Professor Sonntag's thrilling narrative of the Grinnell Exploring Expedition to the Arctic Ocean, in the years 1853, 1854, and 1855 microform
Thrilling narrative of the Grinnell exploring expedition to the Arctic Ocean