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- E-bookThe Scandinavian DefenceMarek Soszynski
- E-bookThe Scandinavian DefenceMarek Soszynski
- E-bookThe Centre Game Re-examinedMarek Soszynski
- E-bookRare and Ruthless ReshevskyMarek Soszynski
- E-bookScotch the ScotchMarek Soszynski
- E-bookBlack Knight Repertoire 1.e4 Nc6Marek Soszynski
- E-bookBullfrog Gambit Chess GamesMarek Soszynski
- E-bookStefan Kisielewski on Music and AestheticsMarek Soszynski
- E-bookBird's Defence Against the Ruy LopezMarek Soszynski