Columbia subject headings:
Philosophy--Bio-bibliography.
Philosophy--History and criticism.
Theology--Bio-bibliography.
Theology--History and criticism.
Harvard subject headings:
Philosophy--Bio-bibliography.
Philosophy--History and criticism.
Theology--Bio-bibliography.
Theology--History
Princeton subject headings:
Atheism--Controversial literature--Dictionaries.
Rationalism--Dictionaries.
Religion--Controversial literature--Dictionaries.