Title: Correspondence
Subjects: Correspondence, Plants, Postal service, Botanical specimens, Classification, Law and legislation, Collection and preservation, Seeds
Places: United States
People: Thomas Nuttall (1786-1859), George Engelmann (1809-1884), Melines Conklin Leavenworth (1796-1862), J. N. Nicollet (1796-1843), Karl Andreas Geyer (1809-1853), Asa Gray (1810-1888)