http://general-terms.thesaurus.ekt.gr/vocabhttp://general-terms.thesaurus.ekt.gr/vocab?tema=10140mesobyzantine period http://general-terms.thesaurus.ekt.gr/vocab?tema=10140 Byzantine Empire BT http://general-terms.thesaurus.ekt.gr/vocab?tema=10140 Dynasty of Isavri NT http://general-terms.thesaurus.ekt.gr/vocab?tema=10140 Macedonian Dynasty NT