- CollectionMiscellaneous - Miscellaneous Papers
- SeriesBox 17 - Letters Ta-Tu
- FileTO1 - Letters of Isaac Todhunter
- Item1 - Autograph letter signed to A. Macmillan
- Item2 - Autograph letter signed to W. N. Griffin
- Item3 - Autograph letter signed to [Robert] Tucker, from Cambridge
- Item4 - Incomplete autograph letter to [Robert] Tucker from an unidentified author, Reading