An experimental dissertation on the Rhus vernix, Rhus radicans and Rhus glabrum; commonly known in Pennsylvania by the names of poison-ash, poison-vine and common sumach . - Horsfield, Thomas, 1773-1859.; University of Pennsylvania (1798) (Philadelphia, Charles Cist, 1798)
"An inaugural dissertation for the degree of doctor of medicine ... University of Pennsylvania ... 1798."
Thesis - University of Pennsylvania.
Mode of access: Internet.
Keywords: Poisons; Botany