Two songs from Jumpin Jim’s Ukulele Gems:

aint-she-sweet-till-there-was-you

This is a link to great old ukulele books.

http://www.ianchadwick.com/essays/musicbooks.htm

Here is a uke player in a Buster Keaton movie:  The High Sign (1921)

Ukulele Hunt has a HUGE collection of chords and tabs that he has meticulously prepared, and a whole host of various other information including how to read chord charts and tabs, lessons on how to strum  http://ukulelehunt.com/tab-chords/