Chess Digest Book - Reference - Chess Winning with the Colle System VG

Quality Chess Book - Reference - Chess My System (New Translation Ed) VG+

Chess Digest Book - Reference - Chess King's Indian Attack VG+

Chess Digest Book - Reference - Chess Why Not the Philidor Defense? VG

Chess Diges Book - Reference - Che Colle System - Koltanowski Variation 5 VG+

Chess Digest Book - Reference - Chess Ruy Lopez - Breyer System VG+/NM

Chess Digest Book - Reference - Chess Philidor Defense - A Re-Appraisal VG

Chess Diges Book - Reference - Ches Colle System - Koltanowski Variation 5 EX