English File B2 Fourth Edition Upper Intermediate

I love guitar: Fourth volume classical guitar course (English Edition)

C.\Harvey#Publications

Fourth Position Pieces for the Cello, Book One  

C. Harvey Publications

Fourth Position for the Cello                    

Independently published

Improve Your Playing with This Detailed Guitar Tab Collection

C. Harvey Publications

Fourth Position Study Method for the Cello      

Alfred Music

Essential Listening Activities for the Music Classroom: Ready-to-use Lessons and Games for Grades Pre-k-8

Independently published

Four Easy Shapes for Guitar: A Jazz Songbook for Fourths-Tuned Guitar

Alfred Music

Second and Fourth Position String Builder: Violin