(1914). Catalogue of opera librettos printed before 1800 / prepared by Oscar George Theodore Sonneck, chief of the Division of Music ..
Chicago-Zitierstil (17. Ausg.)Catalogue of Opera Librettos Printed Before 1800 / Prepared by Oscar George Theodore Sonneck, Chief of the Division of Music .. 1914.
MLA-Zitierstil (9. Ausg.)Catalogue of Opera Librettos Printed Before 1800 / Prepared by Oscar George Theodore Sonneck, Chief of the Division of Music .. 1914.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.