Faye Flam, "Formerly on Ice, Past Unearthed. The Icehouse Found in Philadelphia Gives Glimpse into Colonial History," The Philadelphia Inquirer, February 23, 2001.[1]Archived April 19, 2012, at the Wayback Machine
Stephan Salisbury & Inga Saffron, "Echoes of Slavery at Liberty Bell Site," The Philadelphia Inquirer, March 24, 2002."Echoes of slavery at Liberty Bell site". Archived from the original on April 19, 2012. Retrieved March 16, 2012.
Faye Flam, "Formerly on Ice, Past Unearthed. The Icehouse Found in Philadelphia Gives Glimpse into Colonial History," The Philadelphia Inquirer, February 23, 2001.[1]Archived April 19, 2012, at the Wayback Machine
Stephan Salisbury & Inga Saffron, "Echoes of Slavery at Liberty Bell Site," The Philadelphia Inquirer, March 24, 2002."Echoes of slavery at Liberty Bell site". Archived from the original on April 19, 2012. Retrieved March 16, 2012.