Group exhibition
3. March 1968 bis 14. April 1968, Albright-Knox Art Gallery, BuffaloPlus by Minus: Today’s Half Century (2nd Buffalo Festival of the Arts Today)
3. March 1968 bis 14. April 1968, Albright-Knox Art Gallery, Buffalo3. March 1968 bis 14. April 1968, Albright-Knox Art Gallery, Buffalo
