Type | List | Author: Title, Series, Vol/No (Year/Month/Date of Publication), Pages | Status | | 1. | Schnapp, Friedrich: Das Notenrätsel des Bach-Pokals und seine Deutung. BachJb 35 (1938), 87-94. | |
| 2. | Schnapp, Friedrich: The Riddle of the Bach Goblet. MBook 7 (1952), 335-340. Solved by Friedrich Schnapp with acknowledgements to Charles Sanford Terry and in association with Conrad Freyse (Bach Museum, Eisenach), and Philipp Jarnach. (Translated by Frank Lynas and John H. Syvret) | |
| 3. | Schnapp, Friedrich: Felix Mendelssohn Bartholdys Brief an seine Schwester Fanny Hensel vom 26./27. Juni 1830. SchweizerischeMz 99/3 (1 Mar 1959), 85-91. | |