Adorjan, A. Black is still OK!

Adorjan, A. Schwarz ist super in… seltene Eröffnungen

Alburt, L. Chess openings for white, explained

Avrukh, B. 1.d4, grandmaster repertoire

Avrukh, B. 1.d4, grandmaster repertoire, Volume two

Bilguer, P. Handbuch des Schachspiels

Bilguer, P.R. von Handbuch des Schachspiels

Bosch, J. Secrets of opening surprises

Bosch, J. Secrets of opening surprises volume 10

Bosch, J. Secrets of opening surprises volume 3

Bosch, J. Secrets of opening surprises volume 4

Bosch, J. Secrets of opening surprises volume 7

Bosch, J. Secrets of opening surprises volume 9

Collins, S. Understanding the chess openings

Cox, J. Dealing with d4 deviations

Dunnington, A. Attacking with 1d4 & 1e4

Dvoretsky, M. Opening preparation

Eingorn, V. A rock-solid chess opening repertoire for black

Eingorn, V. Creative chess opening preparation

Emmrich, K. Die unregelmässigen Spielanfänge

Enklaar, B. De Schaakopening II, Aljechin, Caro-Kann, Pirc-verdediging

Ernst, S. Tactics in the chess opening 5

Ernst, S. Tactics in the chess opening 6

Estrin, Y. Comprehensive chess openings