[...] The Management at Vienna have notified me that the rehearsals of Tristan (with Ander!!) are to begin in the middle of September. On the whole I am glad, as I have not written another word to Vienna, but I do not yet really know what my attitude to it should be. I had already contemplated a production of the opera next winter in Dresden, and I think, too, of setting about the matter privately. [...]
Source: Letters of Richard Wagner, Vol. 2, selected and ed. Wilhelm Altmann, trans. M. M. Bozman (J. M. Dent & Sons, 1927), No. 533