Incunabula Exhibition (K.B.Oikonomou Collection) dedicated to the Collection donor late Archbishop of Athens Spiridon. Exhibition Catalogue. Ioannina, 2007 Vaia Oikonomidou.Materials selection of the collection K.B.Oikonomou (6.806 titles), which was purchased by Archbishop of Athens Spiridon in 1956 and was donated to Zosimaia Library by himself.