Refutationes duae Prochori Cydonii ; et disputatio cum Paulo Patriarcha latino, epistulis septem tradita - Ioannes : Contacuzenus. (OLS)http://semarc/name/44246; Voordeckers, Edmond. (OLS)http://semarc/name/44248; Tinnefeld, Franz Hermann. (OLS)http://semarc/name/44247