| Title | Author(s) | Dates ☓ | Call Number | Unit | Has Scanned Image? |
|---|---|---|---|---|---|
| Joseph L. Heywood Letter to Joseph Smith, Jr. | Heywood, Joseph L. | 1843 | Vault MSS 76 Series 1 Subseries 2 Item 1 box 1 folder 25 | Unit 10 — Nauvoo | Yes |
| Joseph L. Heywood letter to Newel K. Whitney | Heywood, Joseph L. | 1844 | Vault MSS 76 Series 1 Subseries 2 Item 3 box 1 folder 25 | Unit 10 — Nauvoo | Yes |
| Joseph L. Heywood letter to Newel K. Whitney | Heywood, Joseph L. | 1845 | Vault MSS 76 Series 1 Subseries 2 Item 2 box 1 folder 25 | Unit 10 — Nauvoo | Yes |
| Joseph Leland Heywood Letter to Mary R. Shumway | Heywood, Joseph Leland | 1847 | MSS SC 460 | Unit 10 — Nauvoo | No |
| Orson Hyde letter to Thomas L. Kane | Hyde, Orson | 1848 | Vault MSS 792 Series 3 Subseries 9 Item 1 box 16 folder 12 | Unit 12 — Western Exodus and Pioneers | Yes |
| Joseph Leland Heywood Diaries | Heywood, Joseph Leland | 1856-1857 | MSS 179 | Unit 12 — Western Exodus and Pioneers | Yes |