- FondsSylvester - Papers of James Joseph Sylvester
- SeriesBox 2-7 - Letters
- SubseriesBox 2-3 Folder 2-9 - Letters to JJS
- 70 more...
- 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
- Item189 - A.L.s., in French, from Eduard Weyr, Prague
- Item190 - A.L.s., from T. Woolner
- Item191 - A.L.s., in French, from K. Woroschiloff, Kazan
- Item192 - A.L.s., from E. Frankland, Royal College of Chemistry
- File193-4 - A.Ls.s., in French, from Charles?, Paris
- Item195 - A.L.s., from Bartholomew Peirce
- 25 more...