21. Slavia. Obsah ročníku Type: model:supplement and TEXT Language: Czech, German, Polish, Russian, and Slovak Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
22. Slavia. Obsah ročníku 89 Type: model:supplement and TEXT Language: Czech, German, Polish, Russian, and Slovak Description: Obsah ročníku 89 Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public