Full Citation: Jacob Philadelphia Interacts with President Barack Obama in the Oval Office; 5/8/2009; P050809PS-0264; Presidential Photographs, 1/20/2009 - 1/20/2017; BHO-WHPO: Records of the White House Photo Office (Obama Administration); Barack Obama Presidential Library, Hoffman Estates, IL. [Online Version, https://www.docsteach.org/documents/document/jacob-philadelphia-oval-office, April 20, 2024]