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Are you Edward Potkowski, author of the books below?
Rycerze w habitach by Edward Potkowski Warna 1444 by Edward Potkowski Heretycy i Inkwizytorzy by Edward Potkowski Crécy-Orlean 1346-1429 by Edward Potkowski Zakony rycerskie by Edward Potkowski Książka i pismo w średniowieczu by Edward Potkowski Książka rękopiśmienna w kulturze Polski średniowiecznej by Edward Potkowski Zakony rycerskie by Edward Potkowski Grunwald 1410 by Edward Potkowski Opuscula inedita. Prace niepublikowane by Edward Potkowski


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