"Church history Middle Ages." . . "Apologetics." . . "600 - 1500" . . "Church history Middle Ages, 600-1500." . . "Apologetics Early works to 1800." . . "Christian literature, Early Greek authors." . . . "Joannis Cantacuzeni Opera omnia, historica, theologica, apologetica" . "Ta heuriskomena panta" . "Īoannou tou Kantakouz̄enou ta euriskomena panta = Joannis Cantacuzeni Opera omnia, historica, theologica, apologetica" . . "[Iōannou tou Kantakouzēnou Ta heuriskomena panta] = Joannis Cantacuzeni Opera omnia : historica, theologica, apologetica" . . "Iōannou tou Kantakouzēnou ta heuriskomena panta = Joannis Cantacuzeni Opera omnia : historica, theologica, apologetica" . "Iôannou toû Kantakouzênou ta heuriskomena panta = Ioannis Cantacuzeni opera omnia historica, theologica, apologetica ; [Tomus II] : Accedunt Ioannis Palaeologi imperatoris, Philothei Constantinopolitani patriarchae, Demetrii Cydonii, Maximi Chrysobergae, Philothei Selymbriensis orationes, opuscula, epistolae" . . . . . . . . . . "Early works" . . . "Opera omnia" . . . . . . . . . . "Iōannou tou Kantakouzēnou ta heuriskomena panta = Joannis Cantacuzeni Opera omnia, historica, theologica, apologetica" . . .