Πεπραγμένα - triantaphyllopoulou (Technikon Epimelēterion tēs Hellados, 1970)
At head of t.p.: Διεθνές Ινστιτούτον Φρουρίων, Institut International des Chataeux Historiques, Internationles Burgen-Institut, International Castles Institute, Istituto Internazionale dei Casteli, I.B.I.