Apsco - Antique Phonograph Supply Company
Bagpipe Cylinder Records
Early 1900's Irish Music
Nipperhead - excellent site with manuals and catalogues available for printing.
N. American Archive of Traditional Irish Music Comhaltas Ceoltoiri Eireann
Cylinder of the Month - James C. McCauliffe c. 1899
The Roots Music Listening Room - Irish Dance Music from the 1920s - 1970s