- FondsAdams - Papers of John Couch Adams
- SeriesBox 30-32 - Correspondence and papers of the Adams Memorial Committee
- FileBox 32 - Correspondence, S - Y by sender, relating to the Adams Memorial Committee
- 32 more...
- Item11/2 - Autograph letter signed to James Porter
- Item11/3 - Autograph letter signed to James Porter
- Item12/1 - Autograph letter signed to Eliza Adams
- Item13/1 - Autograph letter signed to Charles Taylor
- Item13/2 - Autograph letter signed to James Porter
- Item13/3 - Autograph letter signed to Charles Taylor
- Item14/1 - Autograph letter signed to Charles Taylor
- Item14/2 - Autograph letter signed to G.F. Brown
- Item14/3 - Autograph letter signed to James Porter
- 15 more...