in Philadelphia." American Magazine of Useful and Entertaining Knowledge 2 (November 1835): 91. "The Library Company of Philadelphia, and the Loganian Library." Norton's Literary Gazette 2 (July 15, 1852): 127. External links 1731 establishments in Pennsylvania History of Philadelphia Center City, Philadelphia Buildings and structures in Philadelphia Organizations based in Philadelphia Libraries in Philadelphia Museums in Philadelphia Libraries in British North America Library buildings completed in the 18th century Library buildings completed in 1880 Special collections libraries in the United States Research libraries in the United States