Zampa. Libretto. German Opera.. Public domain libretto, Library of Congress

nach dem Französischen des Melesville, von Carl Blum ; zur Musik von Herold. (statement of responsibility)
U.S. RISM Libretto Project.
Half title--p. 1; "Hofbuchdruckerei Theodors v. Zabern in Mainz"--p. 2.
Librettist, composer, and adapter Carl Wilhelm August Blum(e), 1786-1844, is known also as Carl Ludwig Blum--Neue deutsche Biographie; name also appears as Karl Ludwig Blum or simply as Carl [or Karl] Blum.
Singers' names not given.