Title: Correspondence
Subjects: Correspondence, Texan Santa Fé Expedition, 1841, Fagaceae
People: Thomas Nuttall (1786-1859), John H. Barnard (1823-), George Engelmann (1809-1884), George W. Carpenter (1802-1860), Benjamin Silliman (1779-1864), William Gambel (1823-1849), Spencer Fullerton Baird (1823-1887), M. Carey Lea (1823-1897)