Chess in 1971

Positions- Und Kombinationsspiel Im Schach by Euwe, Max

Chess Traps, Pitfalls and Swindles: How to Set Them and How to Avoid Them by Horowitz, Israel a.

How to Play the Chess Openings by Znosko-Borovsky, Eugene

Modern Chess Strategy by Pachman, Ludek

Logical Chess by Chernev, Irving

Testscores, Betrouwbaarheid En Validiteit: Een Inleiding in de Testleer by Naerssen, R. F. Van