Amazon.com: Alfred's Teach Yourself to Play Ukulele, C-Tuning: Everything You Need to Know to Start Playing Now! (Teach Yourself Series): 9780739063408: Manus, Morton, Manus, Ron: Books
02 - Ukulele Tuning 3rd String (C Note) - YouTube
Ukulele Chord Flash Cards (C Tuning) C Tuning - Music ConstructED