Easy Guide to the Ruy Lopez: Emms, John: 9781857442205: Amazon.com: Books
Caruana's Ruy Lopez: A White Repertoire for Club Players: Caruana, Fabiano: 9789056919443: Amazon.com: Books
Fighting the Ruy Lopez: Pavlovic, Milos: 9781857445909: Amazon.com: Books
Amazon.com: The Ruy Lopez Breyer Variation - Chess Opening Software
The Spanish Exchange Variation: A Fischer Favourite: White Repertoire for Tournament Players (Progress in Chess): Kindermann, Stefan: 9783283004798: Amazon.com: Books
Play the Open Games as Black (Chess Opening Guides): Emms, John: 9781915328113: Amazon.com: Books
The Ruy Lopez Explained: Lane, Gary: 9780713489781: Amazon.com: Books