| Topic | Accession # | Description Summary |
| Hamer Collection | MU2019/70 | Dr. John Hamer, Esther Hamer, and O. Stuart Hamer collection of Manchester College materials. |
| Hamer, Esther: Memorabilia | MU2013/124 | Memorabilia about Mount Morris and Manchester College collected by Esther (Rinehart) Hamer. |
| Hamer, John and Esther: Blotters | MU2013/102 | Manchester College "blotters" with student pictures and one advertisement for The Heckman Bindery, circa 1948. |
| Hamer, O. Stuart | MU2018/68 | Photograph of Professor O. Stuart Hamer, with colleagues, A. R. Eikenberry, and Alice Domer, Dean of Women. |
| Holl, Carl Waldo: Scholarship | MU2016/38 | Dinner program for the Cleveland Chapter of Manchester Alumni 1951. 1952 correspondence regarding contributions to the Holl Scholarship Fund. Manchester College alumni and job title |
| Lassa Fever: John Hamer, MD Collection | MU2016/2 | Collection of articles, publications, letters, videos, and photographs dealing with Dr. Hamer's time in Nigeria, especially his connection with the discovery of the Lassa Fever Virus. |
