Originalno: Methods & Treatises Voice - 7 Volumes - France 1800-1860. Romagnesi Henri. Voice sheet music. Serie II - France 1800-1860. For Voice.
Prevod: Metode. Louis LABLACHE - Antoine Joseph Michel, dit Henri ROMAGNESI. Prostornina 6. Voice note. Metode. Uredil Jeanne Roudet.