archives.northwestu.edu/handle/nu/62876 2026-04-22T21:09:24Z archives.northwestu.edu/handle/nu/28802 Commencement, 1966, photo 4 1966-06-04T00:00:00Z archives.northwestu.edu/handle/nu/28799 Commencement, 1966, photo 12 Charles Butterfield, after having received doctoral degree 1966-06-04T00:00:00Z archives.northwestu.edu/handle/nu/28807 Commencement, 1966, photo 9 Dave Carlson, chairman of the Board of Directors, conferring doctoral degree to C. E. Butterfield; Photo by Tiny Tim Studio 1966-06-04T00:00:00Z archives.northwestu.edu/handle/nu/28804 Commencement, 1966, photo 6 J. W. Lackey places doctoral cape on C. E. Butterfield; Photo by Tiny Tim Studio 1966-06-04T00:00:00Z