WMedieval Bulgarian literatureWBook of BorilWCodex SuprasliensisWDaskal Philip PsalterWDobreyshovo GospelsWEnina ApostleWGlagolita ClozianusWGospels of Tsar Ivan AlexanderWMedieval Bulgarian royal chartersWPirdop ApostleWSava's bookWOld Church SlavonicWSofia PsalterWTomić PsalterWTreatise Against the Bogomils