The Chords was created in 1978.
Mel Bay's Deluxe Encyclopedia of Guitar Chords was created in 1971.
It should be spelled "bar" chords, not barre chords; which are chords using the forefinger and spread across the fretboard.
chords
Mey Sovannara Principal chords are main chords built from each scale and they can be used and played in replacement of other chords that are built from a scale. There are three principal chords in each scale. In the major keys, the three are tonic major chord, Subdominant major chord and dominant seventh chords. In the minor keys, the three are tonic minor chord, Subdominant minor chord and dominant seventh chords. To avoid using too many chords and chords that are not pleasant to your ears, you can use these three principal chords to replace other chords in a scale.
Bar Chords
Chords of Fame was created in 1976.
Chemical Chords was created in 2007.
Yokel Chords was created on 2007-03-04.
Jerusalem Chords Bridge was created in 2008.
Chords I've Known was created in 1996.
The Lost Chord was created in 1877.
You Can Play These Songs with Chords was created on -19-07-05.
Four Chords That Made a Million was created in 2000-04.
Dark Chords on a Big Guitar was created in 2003-01.
E Is for Everything on Fat Wreck Chords was created in 1994.
The Lost Chords find Paolo Fresu was created on 2007-11-06.
Mel Bay's Deluxe Encyclopedia of Guitar Chords was created in 1971.