Title: Correspondence
Subjects: Correspondence, Plants
Places: New York (State), New Southwest, Rocky Mountain Region, West (U.S.)
People: John Charles Fremont (1813-1890), J. S. Newberry (1822-1892), George Engelmann (1809-1884), Charles Christopher Parry (1823-1890), William H. Emory (1811-1887), John Torrey (1796-1873), Asa Gray (1810-1888)