Source Information
Ancestry.com. Philadelphia and its manufactures [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2005.Original data: Freedley, Edwin T.. Philadelphia and its manufactures : a handbook exhibiting the development, variety and statistics of the manufacturing industry of Philadelphia in 1857 : together with sketches of remarkable manufacturies, and a list of articles now made in Philadelphia. Philadelphia: Edward Young, 1859.
