Emma von Falkenstein. Libretto. German. Published in Berlin.

nach Kotzebue's "Kreuzfahrer" von Friedrich Genée ; Musik von August Schäffer. (statement of responsibility)
U.S. RISM Libretto Project.
"Königsstädtisches Theater"--at head of title.
Friedrich Genée was a pseudonym of Richard (Franz Friedrich Richard) Genée--Library of Congress Name Authority.
Date of performance surmised from imprint.
Performers' names not given.
Performance: Berlin, Königsstädtisches Theater, 1839? (venue)