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- Cărți electroniceBattleships of the Scharnhorst ClassGerhard Koop
- Cărți electroniceGerman Light Cruisers of World War IIGerhard Koop
- Cărți electroniceBattleships of the Bismarck ClassGerhard Koop
- Cărți electronicePocket Battleships of the Deutschland ClassGerhard Koop