http://collections.mfa.org/internal/media/dispatcher/1039992/resize%3Aformat%3Dfull;jsessionid=F34320C0B10D69A0BF78C3D4E482D24EAlbert Schweitzer1954Yousuf KarshPhotograph, gelatin silver printRef: Karsh, Portraits of Greatness, p. 179; Karsh, A Fifty Year Retrospective, p. 144.Photographs76.2000000000 Centimeter© Estate of Yousuf Karshhttp://collections.mfa.org/objects/detailsrdf/156702;jsessionid=F34320C0B10D69A0BF78C3D4E482D24E