Founders' Week memorial volume : containing an account of the two hundred and twenty-fifth anniversary of the founding of the

Ancestry.com. Founders' Week memorial volume : containing an account of the two hundred and twenty-fifth anniversary of the founding of the [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2005.Original data: Founders' Week memorial volume : containing an account of the two hundred and twenty-fifth anniversary of the founding of the city of Philadelphia, and histories of its principal scientific institutions, medical colleges, hospitals, etc.. Philadelphia: City of Philadelphia, 1909.