- Year 1910
- Period: 20-04-1910 to 02-05-1910?
- Hotel Pensione Quisisana (Quisisana)
- Via Torino 107, Piazza Esedra 59
- Near Palazzo delle Finanze, Palais des Finances (current seat of the Italian Ministry of Economy and Finance)
- Alma Mahler (1879-1964) also in Rome
- Source name hotel: Willem Mengelberg (1871-1951)
Year 1910. 31-04-1910 (30-04-1910). Rome. Letter by Gustav Mahler (1860-1911) in 1910 Hotel Quisisana to Alfredo Casella (1883-1947). “The orchestra is horrible ..”
