(1998). Evolving Philadelphia: transitioning for the 21st century the Office of the City Representative and the Director of Commerce: An exhibition mounted by the City of Philadelphia's Department of Records, the Office of the City Representative and the Director of Commerce. Philadelphia: The City.

Evolving Philadelphia: Transitioning for the 21st Century the Office of the City Representative and the Director of Commerce: An Exhibition Mounted By the City of Philadelphia's Department of Records, the Office of the City Representative and the Director of Commerce. Philadelphia: The City, 1998.

Evolving Philadelphia: Transitioning for the 21st Century the Office of the City Representative and the Director of Commerce: An Exhibition Mounted By the City of Philadelphia's Department of Records, the Office of the City Representative and the Director of Commerce. Philadelphia: The City, 1998.