Otto Haas (Firm)

• A selection of rare music and music literature
• A selection of rare music books & editions (1500-1850)
• A selection of rare music from Boethius to Webern
• Autograph letters and manuscripts
• Catalogue of instrumental music
• Catalogue of music
• Catalogue of music and musical literature
• Music and musical literature
• Music and musicology
• Music literature
• Musical biography
• Musical literature