1. A materia medica of the United States: systematically arranged Author(s): Zollickoffer, William, 1793-1853 Publication: Baltimore : Printed by Richard J. Matchett ..., 1819 Subject(s): Materia MedicaUnited States
2. A materia medica, of the United States: systematically arranged Author(s): Zollickoffer, William, 1793-1853 Publication: Baltimore : Lovegrove, 1827 Subject(s): Plants, MedicinalMateria MedicaPhytotherapyUnited States