File Guest books, 1938-1980 3 books Box 108 In: Stanford R. Ovshinsky papers, 1922-2012 (majority within 1950-2012) » Lake Angelus Observatory
File Newsletter, 1967 Box 108 In: Stanford R. Ovshinsky papers, 1922-2012 (majority within 1950-2012) » Lake Angelus Observatory
File Photographs, circa, 1940 Box 108 In: Stanford R. Ovshinsky papers, 1922-2012 (majority within 1950-2012) » Lake Angelus Observatory