The blogs turned up a list of must-read Austro-Hungarian literature. Must-read in the next life, that is. Still, Olga-2009 cannot calmly pass this by.
I would start with these:
The Road into the Open by Arthur Schnitzler
Wedekind, "Spring Awakening"
Hugo von Hofmannsthal, The Lord Chandos Letter
Elias Canetti's three-volume memoir