Analysis of information sources in references of the Wikipedia article "Acephali" in English language version.
ACEPHALI (from a'-, privative, and kefale, head), a term applied to several sects as having no head or leader; and in particular to a strict monophysite sect that separated itself, in the end of the 5th century, from the rule of the patriarch of Alexandria (Peter Mongus), and remained `without king or bishop' till they were reconciled by Mark I. (799-819).