Aagaard Jacob. Dutch Stonewall

Everyman Chess; The Cromwell Press Ltd., 2002. — 155 p.Монография по Голландской защите: Вариант Каменная стена.Main line 1 d4 f5 2. g3 e6 3. Bg2 Nf6 4. c4 c6 5.Nf3 d5 6.0-0 Bd6
White plays 7. b3
White plays 7. Bf4
White's 7th Move Alternatives 7. Nbd2, 7. Ne5 , 7. Qc2
Other variations
5. Nh3
Other Stonewalls
White plays an Early e2-e3