Invitation, April 18, 1967 Original invitation to the 1967 event. Dumbarton Oaks Rare Book Collection, Margaret Mee Collection. More Exhibit Items Margaret Mee and Lyman Smith, 1960s Margaret Mee’s Dumbarton Oaks lecture Invitation, April 18, 1967 Mee’s Final Journey, 1988: Riverside Celebration Photograph by Tony Morrison of Margaret Mee taken May 1988, Río Negro