TY - GEN AU - Alfeyev, Hilarion; foreword by Kallistos [Ware] of Diokleia. TI - The spiritual world of Isaac the Syrian AV - BQ 3963 .S3 A4 KW - Isaac, Bishop of Nineveh, 7th cent KW - Christian literature, Early--Syriac fathers N1 - Includes bibliographical references and indexes ER -