Title: Correspondence
Subjects: Correspondence, Plants, Orthodontics, Botanical specimens, Collectors and collecting, Obstetrics, American Association of Physicians, Academy of Science of St. Louis, Herbarium, United States Coast Survey
People: J. E. Hilgard (1825-1891), Eugene W. Hilgard (1833-1916), George Engelmann (1809-1884), Augustus Fendler (1813-1883), Theod. C. Hilgard (1828-1875), William Jackson Hooker Sir (1785-1865)