10/1/70 (1 of 2 tapes), 10/13/70 Box 70, Folder 1 Series II: Personal, circa 1961-1977Subseries II.1: Classes/Courses/Lectures/Seminars, circa 1961-1977
10/1/70 (2 of 2 tapes), 10/21/70 Box 70, Folder 2 Series II: Personal, circa 1961-1977Subseries II.1: Classes/Courses/Lectures/Seminars, circa 1961-1977
10/21/70 (1 of 2 tapes), November 11-19, 1970 Box 70, Folder 5 Series II: Personal, circa 1961-1977Subseries II.1: Classes/Courses/Lectures/Seminars, circa 1961-1977