The principal libraries where the work for the present study has been done are: in Philadelphia—The Philadelphia Library (including the Ridgway Branch), the Mercantile Library, the libraries of the University of Pennsylvania, of the Pennsylvania Historical Society, and of the American Philosophical Society; in Boston—the Boston Public Library, the Atheneum Library and the library of the Massachusetts Historical Society; in Cambridge—the library of Harvard University; in New York City—the New York Public Library (including the Lenox Branch), the libraries of the New York Historical Society, of the New York Society, and of Columbia University; in Baltimore—the libraries of the Peabody Institute, of the Maryland Historical Society and of Johns Hopkins University, and the Pratt Library; in Washington—the Library of Congress, and in London—the library of the British Museum. Some of the smaller libraries visited, which contain only duplicates of periodicals accessible elsewhere, have been omitted from the above list.
The American Mag., or a Monthly View of the Political State of the British Colonies.—Phila.
Nos. 1-3. Jan., Feb., Mar. 1741.
[Edited by John Webbe and printed by Andrew Bradford.]
The General Mag. and Historical Chronicle for all the British Plantations in America.—Phila.
I, Jan.-June 1741.
[Edited and printed by Benjamin Franklin.]
The Boston Weekly Mag.—Boston.
Nos. 1-3, Mar. 2, 9, 16, 1743.