Columbia subject headings:
Harvard subject headings:
Dissertations, Academic--Indexes--Periodicals.
Dissertations, Academic--Indexes.
Dissertations, Academic--United States--Indexes--Periodicals.
Dissertations, Academic--United States--Indexes.
Dissertations, Academic.
Princeton subject headings:
Dissertations, Academic--Indexes--Periodicals.
Dissertations, Academic--United States--Indexes--Periodicals.
Indexes.
Periodicals.