| Abraham Lincoln Presidential Library | Contact institution for more information. | Microfilm service copy | | <1970:4:20-1971:12:31> | |
| DeKalb Public Library | Contact institution for more information. | Microfilm service copy | | <1970:4:20-1971:12:31> | |
| Abraham Lincoln Presidential Library | Contact institution for more information. | Microfilm master copy | | <1970:4:20-1971:12:31> | |
| Sycamore Public Library | Contact institution for more information. | Microfilm master copy | | <1971:10:1-12:31> | |
| Genoa Public Library District | Contact institution for more information. | Original print | | <1970:4:20-1971:12:31> | |