| University of Illinois at Urbana-Champaign | Contact institution for more information. | Microfilm service copy | | <1978:1:8-1979:3:31> | |
| Urbana Free Library | Contact institution for more information. | Microfilm service copy | | <1978:1:8-1979:3:31> | |
| Southern Illinois University-Carbondale | Contact institution for more information. | Microfilm service copy | | <1978:1:8-1979:3:31> | |
| Abraham Lincoln Presidential Library | Contact institution for more information. | Microfilm service copy | | <1978:1:8-1979:3:31> | |
| Abraham Lincoln Presidential Library | Contact institution for more information. | Microfilm master copy | | <1978:1:8-1979:3:31> | |