Title: Correspondence
Subjects: Correspondence, Construction industry, Description and travel, Mexican War, 1846-1848, Personal Finance, Patients, Practical Politics, Astronomy
Places: Saint Louis, United States, Santa Fe (N.M.), Mexico, Missouri
People: Manuel Armijo (1792?-1853), F. A. Wislizenus (1810-1889), George Engelmann (1809-1884), Louis Agassiz (1807-1873), John Charles Frémont (1813-1890)