The modern defence 1 ... P-KN3 : a universal panacea to 1 P-K4, 1 P-Q4 or 1 P-QB4 - Keene, Raymond D.; Botterill, G. S.. (Mandaluyong, Rizal Cacho Hermanos, 1972)
"Reprinted under authority of Presidential Decree No. 285, as amended by P.D. 400."
Reprint of the same ed. published by Batsford, London.
Keywords: Chess -- Openings