Columbia subject headings:
Harvard subject headings:
Abbreviations, German--Dictionaries.
Church history--Dictionaries--German--Indexes.
Religion--Dictionaries--German--Indexes.
Theology--Abbreviations--Dictionaries
Theology--Dictionaries--German--Indexes.
Princeton subject headings:
Christianity--Encyclopedias--Abbreviations.
Theologische Realenzyklopädie--Abbreviations.
Theology--Abbreviations.