Librettos - Heermann, Gottlieb Ephraim 1727-1815; Dalberg, Wolfgang Heribert von 1750-1806; Ihlée, Johann Jakob 1762-1827; Wolf, Ernst Wilhelm 1735-1792; Cannabich, Christian 1731-1798; Kunzen, Friedrich Ludwig Aemilius 1761-1817 (German opera, 1985)