König Sigurd
Opera in 3 Acts (WoO 2, 1856-8)
Based on Emanuel Geibel's König Sigurds Brautfahrt

Herrat
Opera in 3 Acts  (WoO 13, 1877-9 as Dietrich von Bern, revised 1885) 
Premiered 10 March 1892 in Dresden (Ernst von Schuch, cond.)

• Plot synopsis
• Program from the premiere (Dresden, 10 March 1892)
• Review (1905)
• Hoftheater Coburg Production: Reviews etc. (1906)

Gudrun
Opera in 3 Acts (WoO 14, 1879-84)
Premiered 5 November 1884 in Hannover (Franz Herner, cond.)

• Die Gudrun-Opern des 19. Jahrhunderts: Textgestaltung und Textvergleiche. A. H. Krueck, in Deutsche Oper zwischen Wagner und Strauss. S. Döhring, H. John, and H. Loos, Eds, Bonn, 1998: pp 95-114.
• Program from the premiere, Hannover 1884
• Review of premiere, Hannoverscher Courier (7 Nov 1884)
• Review of premiere, Coburger Zeitung (6 Nov 1884)
• Program, cast, review of 1886 production, Hannoverscher Courier (January 1886)
• Cast list

Bertran de Born
Opera in 3 Acts (WoO 22, 1892-4)

• Plot synopsis and information
• Download score (manuscript) from the digital collection at SLUB Dreseden

Fischer und Kalif
Comic Opera in 1 Act (WoO 24, 1894-5) 
Premiered 15 April 1905 in Prague (Egon Pollak, cond.)

• Download score (manuscript) from the digital collection at SLUB Dreseden

Merlin
Opera in 3 Acts (WoO 30, 1900-5)
Based on Karl Leberecht Immermann's Merlin
Premiered 18 April 1913 in Gotha (Alfred Lorenz, cond.)

• Article from Illustrierte Zeitung with scene from Gotha premiere
• Review of Gotha premiere (1913)
• Program, Coburg (4 December 1913)
• Reviews Hoftheater Coburg production (1913)
• Karl Lebrecht Immermann, A Study in German Romanticism.
  A.W. Porterfield, 1911.