Original: Agnes von Hohenstaufen - 1. Composed by Gaspare Spontini. Halbband. Agnes von Hohenstaufen - 1. Halbband. Hardcover.
Oversettelse: Komponert av Gaspare Spontini. The Opera, Masterpieces of Operatic History, Volume 6 Clothbound. Redigert av Jens Wildgruber.