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Citizens Volunteer Hospital, Corner of Broad St & Washington Avenue, Philadelphia Size:24x18 Kepler's Celestial Mechanics Laws ofCitizens Volunteer Hospital, Corner of Broad St & Washington Avenue, Philadelphia. A documentary lithograph of the Philadelphia refuge where wounded Union soldiers were fed, bandaged, and bedded by the city's own subscription charity and ledger work pressed into service while the war ground on somewhere south of Broad Street. About the Source Bella Frye sources artifacts from the great American historical archive the Library of Congress, the National