Columbia subject headings:
Humanities--Abstracts--Periodicals.
Humanities--Bibliography--Periodicals.
Philosophy--Abstracts--Periodicals.
Philosophy--Bibliography--Periodicals.
Harvard subject headings:
Humanities--Abstracts--Periodicals.
Humanities--Bibliography--Periodicals.
Philosophy--Abstracts--Periodicals.
Philosophy--Bibliography--Periodicals.
Princeton subject headings:
Humanities--Abstracts--Periodicals.
Humanities--Periodicals--Indexes.
Periodicals.
Philosophy--Abstracts--Periodicals.
Philosophy--Bibliography--Periodicals.
Philosophy--Indexes--Periodicals.