The 257th evening of the season.

Giuseppe Verdi, Aïda (for the 8th time this season).

Pertinent newspaper articles from the following sources are in the archives:

Neue Freie Presse, May 12, 1903 (Wien).
Neues Wiener Journal, May 12, 1903 (Wien).
Deutsche Zeitung, May 12, 1903 (Wien).
Illustriertes Wiener Extrablatt, May 12, 1903 (Wien).
Fremden-Blatt, May 12, 1903 (Wien).
Wiener Abendpost, May 13, 1903 (Wien).