Upcoming Revisions to the Online Discographies

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.