Keywords: Gregory Tsamblak.jpg Gregory Tsamblak on the Council of Constance Source - the archive of Charles University in Prague Unknown author Bulgarian writer and cleric metropolitan of Kiev between 1413 and 1420 Duma newspaper 09 06 2006 http //www duma bg/2006/0906/160906/kultura/cul-4 html PD-old-100 Original upload log page en wikipedia Camblak jpg 2009-03-31 15 24 Jingiby 136×200× 11216 bytes <nowiki>Gregory Tsamblak on the Council of Constance Source - the archive of Charles University in Prague Unknown author Bulgarian writer and cleric metropolitan of Kiev between 1413 and 1420 Duma newspaper 09 06 2006 http //www duma bg/2006/0906/1609</nowiki> Gregory Tsamblak |