Chord Progression Handbook

Open educational resource covering common open chords, barre chords, and color chords with clear diagrams. Part of a three-volume series from the University of Kansas.

Bill Matney and Brenna Niemuth

Visual guide to all major and minor guitar chords with step-by-step instructions, chord diagrams, and practical tips. Written by the founder of National Guitar Academy.

Mike Kennedy

Reference dictionary of 244 jazz guitar chord voicings organized by type, including shell chords, extended chords, altered dominants, inversions, and quartal voicings.

Dirk Laukens