||1790 census for the "County" of Philadelphia, Pennsylvania
||Williams, Mildred C. (Mildred Corson)
|Williams, Mildred C. (Mildred Corson), and Janet Brittingham. 1790 census for the "County" of Philadelphia, Pennsylvania. (Jamison, Pennsylvania: Will-Britt Books, 199?).|
Available at the Family History Library.