Kaiser Hadrian. Libretto. German. Performance: Wien

die Musik ist von Herrn Joseph Weigl Operndirektor der k.k. Hoftheater ; für die k.k. Hoftheater. (statement of responsibility)
U.S. RISM Libretto Project.
p. 18 misnumbered 81, p. 64 misnumbered 94.
Libretto by Metastaio and Sonnleithner--New Grove.
Date of performance surmised from imprint.
Performers' names not given.
Performance: Wien, Hoftheater, 1808? (venue)