- Dunger 2
- Dunger 1
- Bate Collection of Saxophones
- MIMO Instrument Makers Persons & Final Report
- 2014 and 2017 Coda Music
- 1889 Constant Pierre La facture instrumentale à l’Exposition (Universal Exposition of 1889)
- 1915 Catalogue Band Instruments - Sherman, Clay, and Co.
- 1893 Musical Instruments at the World's Columbian Exposition
- 13
- 155
- 0A
- RUDOLPH WURLITZER & Co 1910 page001
- 1
- 001