Opera foundation, February 1968 - June 1969, 1968-1969 Box 101 Unit ID: 120 Date: February 1968 - June 1969, 1968/1969
Opera, January 1967 - October 1968, 1967-1968 Box 101 Unit ID: 125 Date: January 1967 - October 1968, 1967/1968