Several discographies in Mainspring’s free Online Reference Library are temporarily offline while undergoing revision for new editions. These include:
- Ajax
- Emerson
- International Record Company
- Keenophone – Rex – Imperial
- Leeds & Catlin
- Phono-Cut
- Ragtime on Records, 1894-1950
- Vocalion, Vol. 1 (14000 Series)
We will post notifications here as each new edition becomes available.
78 RECORDS, CYLINDER RECORDS & VINTAGE PHONOS 