Links to sources for viewable/downloadable music and lyrics.
Note that the linked pages are maintained by the respective site owners.
Beatlesite Ukulele Beatles fun
Dr. Uke’s songs (includes options for standard GCEA and baritone DGBE tuning)
Huapala Hawaiian music and music archives
Ralph Shaw King of the ukulele
Richard G’s Ukulele Songbook (approx 800 songs)
Taunton Ukulele Strummers Club (several songbooks, various genres)