- 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
- 4 more...
- Item2/1 - Receipt sent to James Porter
- Item2/2 - Autograph letter signed to James Porter
- Item3/1 - Autograph letter signed to James Porter
- Item3/2 - Autograph letter signed to James Porter
- Item4/1 - Autograph letter signed to James Porter
- Item4/2 - Typed letter signed to James Porter
- Item4/3 - Autograph letter signed to James Porter
- Item4/4 - Autograph letter signed to Charles Taylor
- Item5/1 - Autograph letter signed to Charles Taylor
- 43 more...