| Abraham Lincoln Presidential Library | Contact institution for more information. | Microfilm service copy | Some issues are missing. | <1948:11:18- | |
| Abraham Lincoln Presidential Library | Contact institution for more information. | Microfilm master copy | Some issues are missing. | <1948:11:18- | |
| University of Illinois at Urbana-Champaign | Contact institution for more information. | Original print | | Retains current 3 months only. | |
| Carnegie Schuyler Library | Contact institution for more information. | Original print | | Retains current 2 years only. | |