Periodicals.
American philosophical society. **7.145.2=5111.2 Transactions. 2d edition. V. 1-6. N. S. 1-10.11 pt. 1, 12-14, 15 pt. 1, 2, 1769-1874. Phila., 1786-1875. 13 v. Plates. 4°. Vols. 1-6 are the 2d edition; N.S. v. 11, 15 are incomplete.