C Piano Chord Tutorial: Easy - PianoLessonsOnline.com
Alfred's Teach Yourself Chords & Progressions at the Keyboard: Everything You Need to Know to Start Playing Now!, Book & CD (Teach Yourself Series): Konowitz, Bert: 0038081149998: Amazon.com: Books
C Major Scale and Chord Progression - Piano by Brigitte's Music Resources
Primary Chords in the Key of C Minor on Piano - i iv V Chords - YouTube
C Major Scale – Piano Music Theory
5 Common Chord Progressions in C Major – Professional Composers