This primary source comes from the Collection JFK-WHP: White House Photographs.
National Archives Identifier:
194264Full Citation: President Kennedy, Press Secretary Pierre Salinger, K. Lemoyne Billings. Hyannisport, MA, Hyannisport Golf Club.; 7/27/1963; Cecil Stoughton's White House Photographs, 1/29/1961 - 12/31/1963; Collection JFK-WHP: White House Photographs; John F. Kennedy Library, Boston, MA. [Online Version, https://docsteach.org/documents/document/president-kennedy-hyannisport-golf-club, May 4, 2024]