Columbia subject headings:
Bjørnson, Bjørnstjerne, 1832-1910--Musical settings.
Cantatas, Secular (Men's voices)
Olav I Trygveson, King of Norway, 968-1000--Drama.
Operas.
Harvard subject headings:
Bjørnson, Bjørnstjerne, 1832-1910--Musical settings.
Cantatas, Secular (Men's voices)
Olav I Trygveson, King of Norway, 968-1000--Drama.
Olav I Trygveson, King of Norway, 968-1000--Songs and music.
Operas
Princeton subject headings:
Bjørnson, Bjørnstjerne, 1832-1910--Musical settings.
Cantatas (Men's voices)
Cantatas, Secular (Men's voices)
Drama.
Musical settings.
Olav I Trygveson, King of Norway, 968-1000--Drama.
Operas.