• Year 1877.
• Year 1878.
• Year 1879.
• Period: until 18-12-1879.
• Address: Margarethenstrasse No. 7. 2nd stairs, 4th floor, door 40.
• District number: V.
• District name: Margareten.
• Map Districts of Vienna.

Gustav Mahler and Hugo Wolf (1860-1903) befriend, both members of the Wagner Society, and share the same furnished room at the Margarethenstrasse No. 7.