1. Johann P. Arnason: Civilizations in dispute. Historical questions and theoretical traditions Creator: Machonin, Pavel Format: print Type: model:internalpart and TEXT Language: Czech Rights: http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
2. Naše někdejší krize Creator: Malura, Jan Format: bez média and svazek Type: model:article and TEXT Language: Czech Rights: http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public