1. Evidences of the efficacy of Doctor Perkins's patent metallic instruments Author(s): Perkins, Elisha, 1741-1799 Publication: Philadelphia : Printed by Richard Folwell, no. 33, Carter's Alley, [1797] Subject(s): Equipment and Supplies
2. Evidences of the efficacy of Doctor Perkins's patent metallic instruments Author(s): Perkins, Elisha, 1741-1799 Publication: New-London [Conn.] : From S. Green's press, [1797] Subject(s): Equipment and Supplies
3. Evidences of the efficacy of Doctor Perkins's patent metallic instruments Author(s): Perkins, Elisha, 1741-1799 Publication: New-London [Conn.] : From S. Green's press, [1797] Subject(s): Equipment and Supplies
