463213 Plan of the Mercantile Library of Philadelphia, c.1869 (litho) by American School, (19th century); 48 x 30 cm; Library Company of Philadelphia, PA, USA; (add.info.: Plan for the library building originally built circa 1859 after the designs of John McArthur (1823-90) as a market house. Shows the ground and second floor plans including dimensions, "Front Elevation on 10th Street," and "Interior elevation of Rear Wall. The library, organized in 1821 for the benefit of merchants and merchant clerks, purchased the building in 1867 and relocated in 1869.); 穢 Library Company of Philadelphia ; American, out of copyright.