The Eugen Rosenstock-Huessy Lectures, Vol. 28; Woods Hole, Mass., July 16, 1965 (Jericho, Vt.: Argo Books, 1994), 10 pp. in transcription, 1 lecture on audio cassette. {= I Am an Impure Thinker (1970), pp. 65-68 (“The Quadrilateral of Human Logic“).} Reel 18, Item 653. – 1965