When I was learning guitar one of my most valuable learning aids was a chord book. I had a Beatles songbook that didn’t have chord diagrams but it did have chord names above the music notation. So I had to turn to the chord book to learn how to finger the chords I wanted to play. It was a good way to do it because I memorized chords faster that way. Later on I got in Jazz Band in high school and had to learn all kinds of jazz chords on the guitar. Needless to say I used that chord book until the covers were falling off.