The Duchess of Windsor, Richard Nixon, The Duke of Windsor. April 4, 1970.
White House Photo Office Collection, Richard Nixon Library, College Park, College Park, MD - These photographs were taken from January 20, 1969 to August 9,1974, under the direction of President Nixon's personal photographer, Ollie Atkins. This particular image is by Jack E. Kightlinger.
Downloaded from [http://narademo.umiacs.umd.edu/cgi-bin/isadg/viewitem.pl?item=3210] White House Photo Office Collection - These photographs were taken from January 20, 1969 to August 9,1974, under the direction of President Nixon's personal photographer