1. Humboldt, Alexander Freiherr von (1769-1859) Creator: From the Collection: Marsh, Othniel Charles, 1831-1899 Published / Created: 1814 Call Number: MS 343 Container / Volume: Box 17, folder 698 Image Count: 2 Found in: Manuscripts and Archives > Othniel Charles Marsh papers (MS 343) > Series I: General correspondence > Humboldt, Alexander Freiherr von (1769-1859)