Columbia subject headings:
Bible--Study and teaching--Bibliography.
Church--Bibliography.
Early printed books.
Fathers of the church--Bibliography.
Philosophy--Bibliography.
St. Deiniol's Library--Catalogs.
Theology--Bibliography.
Harvard subject headings:
Christianity--Bibliography--Catalogs.
Early printed books--Catalogs.
St. Deiniol's Library--Catalogs.
Princeton subject headings: