Columbia subject headings:
Kirchengemeinde Heilige Dreifaltigkeit (Vienna, Austria)--History.
Kirchengemeinde Sankt Georg (Vienna, Austria)--History.
Orthodox Eastern Church--Austria--Vienna--History.
Orthodoxos Ekklēsia tēs Hellados--Austria--Vienna--History.
Harvard subject headings:
Kirchengemeinde Heilige Dreifaltigkeit (Vienna, Austria)--History.
Kirchengemeinde Sankt Georg (Vienna, Austria)--History.
Orthodox Eastern Church--Austria--Vienna--History.
Orthodox Eastern Church--Austria--Vienna--Sources.
Orthodoxos Ekklēsia tēs Hellados--Austria--Vienna--History.
Orthodoxos Ekklēsia tēs Hellados--Austria--Vienna--Sources.
Princeton subject headings:
Metropolitanates--Austria.
Orthodoxos Ekklēsia tēs Hellados--Austria.