RT Article T1 The Growth of the Cistercian Strict Observance in the Seventeenth Century JF Revue bénédictine VO 73 IS 1/2 SP 126 OP 132 A1 Lekai, L. J. LA English PB Brepols YR 1963 UL https://www.ixtheo.de/Record/181753873X DO 10.1484/J.RB.4.00492