Zwillinge. Libretto. German Opera, Performed in Hamburg

von F. Zell und R. Genée ; Musik von Richard Genée und Louis Roth. (statement of responsibility)
U.S. RISM Libretto Project.
P. 36-37 presumably filmed twice; legal notices--title page; "London, Ent. Sta. Hall"--title page.
Singers' names not given.