1. 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 Author(s): Horsfield, Thomas, 1773-1859 Publication: Philadelphia : Printed by Charles Cist, no. 104, North Second Street, MDCCXCVIII [1798] Subject(s): Rhus
