From a retired professor's office. This is from 1965 and coincidentally is available on youtube https://www.youtube.com/watch?v=ich61faSp7Y

Thank you for your consideration. -- Bruce Sarjeant Reference, Documents & Maps Librarian Lydia Olson Library Northern Michigan University 1401 Presque Isle Ave Marquette, MI 49855 (906) 227-1580 bsarjean@nmu.edu