| opera performance 1924-04-08 |
| opera performance 1924-04-20 |
| opera performance 1924-04-02 |
| opera performance 1933-05-23 |
| opera performance 1933-05-26 |
| opera performance 1934-11-11 |
| opera performance 1933-05-16 |
| opera performance 1933-05-13 |
| opera performance 1933-05-14 |
| opera performance 1933-05-01 |
| opera performance 1933-05-12 |
| concert 1924-04-11 |
| New Year's Concert |
| Concert of Jean Starr Untermeyer in Vienna |
| open air concert to celebrate the end of the war in Grant Park, Chicago, attended by 60,000 people |
| Schubert Centennial (10. Deutsches Sängerbundfest) |
| 125th anniversary of the New York Philharmonic Orchestra |
| Sudays at Salka's: Musik, Literatur und Film im amerikanischen Exil |
| Nazi propaganda activity 1933-05-01 |
| Assassination of Chancellor Engelbert Dollfuss |
| July Revolt at Justizpalast |
| Austrian Civil War |
| Congress für Innere Medizin, Vienna |
| German Philosophy Congress, Giessen |
| Thayer Expedition (Brazil) |
