260 600-1500 churchhistory cistercianarchitecture cistercianmonasteries cistercians congresses earlyworksto1800 england germany) greatbritain helfta(convent:eisleben historiography history historyopactwocysterskiewłeknie historyopactwocysterskiewłęknie(łękno historystiškisamostan(slovenia) historystiškisamostan(stična historyvalldigna(monastery) literatureandhistory mediaevalcistercianstatutes12thcentury middleages monasticandreligiouslife monasticismandreligiousorders mysticism poland) scandinavia slovenia slovenia) sourcescistercians spaceandtime stična technology to1500