Beiträge zur Sektengeschichte des Mittelalters.

Döllinger, Johann Joseph Ignaz von, 1799-1890.
New York : B. Franklin, [1960]

Dissent and reform in the early Middle Ages.

Russell, Jeffrey Burton.
Berkeley : University of California Press, 1965.

Heresy and authority in medieval Europe : documents in translation

Peters, Edward, 1936-
Philadelphia : University of Pennsylvania Press, 1980.

Heresy in the later Middle Ages: the relation of heterodoxy to dissent, c. 1250-c. 1450.

Leff, Gordon.
Manchester : Manchester U.P.; New York : Barnes & Noble, [1967]

The medieval Manichee, a study of the Christian dualist heresy.

Runciman, Steven, 1903-2000.
Cambridge [Eng.] : Univ. Press, [1947, reprinted] 1960.

The pursuit of the millennium.

Cohn, Norman, 1915-2007.
Fairlawn N.J. : Essential Books, 1957.

The pursuit of the Millennium: revolutionary millenarians and mystical anarchists of the Middle Ages

Cohn, Norman, 1915-2007.
London : Maurice Temple Smith Ltd., 1970.
Revised and expanded ed.

Religiöse Bewegungen im Mittelalter : Untersuchungen über die geschichtlichen Zusammenhänge zwischen

Grundmann, Herbert, 1902-1970.
Darmstadt : Wissenschaftliche Buchgesellschaft, 1970.

Religious thought and heresy in the Middle Ages.

Bussell, F. W. (Frederick William), 1862-1944.
London : R. Scott, 1918.