- FondsSylvester - Papers of James Joseph Sylvester
- SeriesBox 2-7 - Letters
- SubseriesBox 2-3 Folder 2-9 - Letters to JJS
- 80 more...
- Item198 - A.L.s., in Italian, from Ubaldo M. Soluffry
- Item201 - A.L.s., from N. W. Brown?
- Item202 - A.L.s., from Olauf Henrici
- Item203 - A.L.s., from F. Lester?
- Item206 - Fragment of A.L.s., from Edward R. P. Cook?
- Item207 - A.L.s., from H.B.
- Item208 - Fragment of A.L.s., from F.M.
- 15 more...