- FondsMordell - Papers of Louis Joel Mordell
- Series1-40 - Letters
- File19 - Miscellaneous Letters
- 16 more...
- Item19.17 - A.L.s., in German from E. Bessel-Hagen, Halle
- Item19.18 - A.L.s., from G. Billing(?), Upsala
- Item19.19 - T.L.s., from Garrett Birkhoff, Harvard
- Item19.20 - A.L.s., from H. F. Blichfeldt, Stanford University
- Item19.21 - A.L.s., in German, from O. Blumenthal, Aachen
- Item19.22 - A.L.s., from O. Blumenthal, Basel
- Item19.23 - A.L.s., from S. Bochner, Cambridge
- Item19.24 - A.L.s., from F. W. Bradley, Wallasey
- Item19.25 - T.L.s., from S. Brodetsky, University of Leeds
- 116 more...