The Ruy Lopez: Winning Chess With 1 P-K4, Leonard Barden 1977 PB/VG

The Ruy Lopez: Winning Chess With 1 P-K4, by Leonard Barden, published by Pergamon Press (1963,1977) PB.

Studies, research papers, & other interesting tid bits

Chess Openings, PDF, Competitive Games

Woodstock Independent 8/21/19 by Woodstock Independent - Issuu

Woodstock Independent 8/21/19 by Woodstock Independent - Issuu

Keverel Chess Catalogue, PDF, Chess

The Ruy Lopez : winning chess with 1 P-K4

Expenditure AP, PDF

Pergamon Chess Series.

The Ruy Lopez: Winning Chess with 1P-K4

Keverel Chess Catalogue, PDF, Chess