Columbia subject headings:
Bibliography--Periodicals.
Hungarian literature--Bibliography--Periodicals.
Library science--Periodicals.
Harvard subject headings:
Bibliography--Periodicals
Hungarian literature--Bibliography--Periodicals.
Hungary--Bibliography--Periodicals.
Libraries--Hungary--Periodicals.
Library science--Periodicals
Princeton subject headings:
Bibliography--Periodicals.
Hungarian literature--Bibliography--Periodicals.
Library science--Periodicals.
Periodicals.