http://www.doctoruke.com/ is a very comprehensive ukulele website. Jim Rosokoff is the doctor. He teaches and performs in Connecticut. Most of the songs also have mp3’s that you can try to play along with. The doc has posted 312 songs so far. Including a request from me about 18 months ago, “If I only had a brain”.
Ukulele Song Arrangments http://www.doctoruke.com/songs.html
Baritone Arrangements (Same as previous look for “BAR”)