Harding, T. D. Spanish (Ruy Lopez), Marshall / T.D. Harding. - 5th ed. - London : Batsford 1977. - 175 p. : ill 23 cm. - Specialist chess openings. . ISBN: 0713402520 Subjects--Topical Terms: Chess --OpeningsÉchecs (Jeu)--Ouvertures.Marshall aanval. Dewey Class. No.: 794.122