Columbia subject headings:
Harvard subject headings:
Eastern churches--History--To 1500.
Fathers of the church.
Liturgics.
Oriental Orthodox churches--Liturgy.
Winkler, Gabriele--Bibliography.
Winkler, Gabriele.
Princeton subject headings:
Fathers of the church.
Liturgics.
Winkler, Gabriele--Bibliography.
Winkler, Gabriele.