- FondsMordell - Papers of Louis Joel Mordell
- Series1-40 - Letters
- File17 - Mahler
- 14 more...
- Item17.15 - T.L.s., from Groningen
- Item17.16 - T.L.s., from Groningen
- Item17.17 - T.L.s., from Krefeld
- Item17.18 - T.L.s., from Groningen
- Item17.19 - T.L.s., from Groningen
- Item17.20 - T.L.s., from Groningen
- Item17.21 - T.L.s., from Krefeld
- Item17.22 - T.L.s., from Krefeld
- Item17.23 - T.L.s, from Krefeld
- 19 more...