Marc Riboud [Anti-Vietnam war demonstration, Washington] Date October 21, 1967 Location United States District of Columbia Washington Dimensions Image: 10 1/2 x 15 7/8" Print: 14 1/4 x 18 5/8" Mount: 16 1/8 x 21 3/8" Print medium Photo-Gelatin silver Accession No. 11.1975