President Barack Obama and First Lady Michelle Obama react to performers during a Halloween reception for military families and children of White House and Residence staff in the East Room of the White House, Oct. 31, 2009. October 31, 2009. (Official White House Photo by Pete Souza)

They also have this on the White House website:



Caroline and John Jr. visit President Kennedy in the Oval Office on October 31, 1963. John F. Kennedy Library.