- FondsSylvester - Papers of James Joseph Sylvester
- SeriesBox 2-7 - Letters
- SubseriesBox 2-3 Folder 2-9 - Letters to JJS
- 64 more...
- Item178 - A.L.s., from William Thomson
- Item179 - A.L.s., from David P. Todd
- Item182 - A.L.s., from Edward B. Tylor
- Item186 - A.L.s., in French, from A Vassilief
- Item187 - A.L.s., in German, from Dr von Gall
- Item188 - A.L.s., from H. J. Werdebaugh, Baltimore
- 31 more...