| University of Illinois at Urbana-Champaign | Contact institution for more information. | Microfilm service copy | | <1936:10:8-1941:11:13> <1942:1:15-1950:1:13> | |
| Abraham Lincoln Presidential Library | Contact institution for more information. | Microfilm service copy | | <1955:2:25, 7:29> <1957:5:10, 8:30, 9:20> <1960:3:25, 4:8, 22, 5:13> <1962:12:21> <1963:11:29> <1964:1:3> <1966:9:30> <1967:6:9, 9:1> <1968:11:1, 12:20> <1969:2:7> | |
| Abraham Lincoln Presidential Library | Contact institution for more information. | Microfilm master copy | | <1955:2:25, 7:29> <1957:5:10, 8:30, 9:20> <1960:3:25, 4:8, 22, 5:13> <1962:12:21> <1963:11:29> <1964:1:3> <1966:9:30> <1967:6:9, 9:1> <1968:11:1, 12:20> <1969:2:7> | |
| Rockford Public Library | Contact institution for more information. | Original print | | <1972:11:3-2003:12:26> | |
| Northern Illinois University | Contact institution for more information. | Original print | | <1957:6:7> <1963:3:16> <1964:10:23> <1966:4:8, 5:20> <1969:8:29> <1970:9:11> <1971:9:10> <1972:9:1> <1987:3:20, 4:3, 24, 5:8, 6:19> | Note: Northern Illinois University, Regional History Center
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