Columbia subject headings:
Harvard subject headings:
Orthodox Eastern Church.
Orthodoxos Ekklēsia tēs Hellados--Bishops--Correspondence.
Orthodoxos Ekklēsia tēs Hellados--Sermons.
Spyridōn, Archiepiskopos Athēnōn kai Pasēs Hellados, 1873-1956.
Princeton subject headings:
Orthodox Eastern Church--History--Sources.
Orthodoxos Ekklēsia tēs Hellados--Bishops--Correspondence.
Orthodoxos Ekklēsia tēs Hellados--History--Sources.
Spyridōn, Archbishop of Athens and All Greece, 1873-1956.