- FondsSylvester - Papers of James Joseph Sylvester
- SeriesBox 2-7 - Letters
- SubseriesBox 2-3 Folder 2-9 - Letters to JJS
- 57 more...
- Item145 - A.L.s., from Samual Roberts
- Item146 - A.L.s., from Alfred Robmin
- Item147 - A.L.s., from Henry Enfield Roscoe
- File148-171 - 18 A.Ls.s, 3 fragments of A.Ls.s, from George Salmon to JJS and 2 A.Ls.s, from JJS to George Salmon
- Item172 - A.L.s., from John James Sands
- Item173 - A.L.s., from William Spottiswoode
- Item178 - A.L.s., from William Thomson
- 38 more...