Columbia subject headings:
Dissertations, Academic--Czech Republic--Bibliography--Periodicals.
Dissertations, Academic--Czechoslovakia--Bibliography--Periodicals.
Harvard subject headings:
Dissertations, Academic--Czechoslovakia--Bibliography--Periodicals.
Princeton subject headings:
Dissertations, Academic--Czech Republic--Bibliography--Periodicals.
Dissertations, Academic--Czechoslovakia--Bibliography--Periodicals.
Periodicals.