They are bishops.

Hermon Griswold. Batterson has written:

'A sketch-book of the American episcopate'

CARTHUSIAN CISTERCIAN TRAPPIST SOME BENEDICTINE CONGEGATIONS

John Archibald has written:

'The historic episcopate in the Columban church and in the diocese of Moray' -- subject(s): Church history, Episcopal Church in Scotland

'Second language phonology' -- subject(s): Comparative and general Grammar, Grammar, Comparative and general, Phonology, Second language acquisition

'The historic episcopate in the Columbian church'

E. H. Pedler has written:

'The Anglo-Saxon Episcopate of Cornwall' -- subject(s): Church history