Includes bibliographical references and index.

The ancient churches -- The Didache -- The Shepherd of Hermas -- The odes of Solomon -- The martyrdom of Polycarp of Smyrna -- Justin Martyr -- Irenaeus of Lyons -- Montanism -- Tertullian -- The martyrdom of Perpetua and Felicitas -- Pseudo-Clement -- Gregory the Wonderworker -- Origen -- Antony of the Desert -- Ephrem the Syrian -- Pseudo-Macarius -- Augustine of Hippo -- Basil of Cappadocia -- Gregory the Great -- Isaac of Nineveh -- Armenian Paulicianism -- The medieval churches -- Symeon the New Theologian -- Gregory Palamas -- The Roman ritual -- Hildegard of Bingen -- Joachim of Fiore -- Francis of Assisi -- Thomas Aquinas -- Popular piety in the medieval Roman Catholic West -- Vincent Ferrier -- The Cathars -- The early modern churches -- Martin Luther -- Thomas M�untzer -- Ignatius of Loyola -- Francis Xavier -- George Fox -- The Camisards ("French prophets") -- John Lacey -- The Jansenists -- The Shakers -- John Wesley -- Seraphim of Sarov -- Edward Irving -- Latter-day Saints (Mormons) -- Horace Bushnell -- John Christian Aroolappen -- The Molokans -- John of Kronstadt -- Ellen Gould White -- Contemporary peoples of the Spirit -- Elena Guerra and Pope Leo XIII -- Charles F. Parham -- William Joseph Seymour -- The Azusa Street Revival -- Pandita Ramabai Sarasvati -- Minnie Abrams -- George Barton Cutten -- Sunder Singh -- John Sung -- Aimee Semple McPherson -- Dennis J. Bennett -- Lumen Gentium -- Pope Paul VI -- Pope John Paul II -- Snake handlers -- The Toronto blessing -- The Memphis miracle -- Raniero Cantalamessa.