Title: A Knight at the opera
Subjects: Wagner, richard, 1813-1883, Heine, heinrich, 1797-1856, Herzl, theodor, 1860-1904, Peretz, isaac loeb, 1851-1915
People: Theodor Herzl (1860-1904), Heinrich Heine (1797-1856), Richard Wagner (1813-1883), Tannhäuser, Isaac Leib Peretz (1851 or 2-1915)