Columbia subject headings:
Russian literature--20th century--Periodicals.
Russian literature--21st century--Periodicals.
Ukrainian literature--20th century--Periodicals.
Ukrainian literature--21st century--Periodicals.
Harvard subject headings:
Russian literature--20th century--Periodicals
Russian literature--21st century--Periodicals
Ukrainian literature--20th century--Periodicals.
Ukrainian literature--21st century--Periodicals.
Princeton subject headings:
Periodicals.
Russian literature--20th century--Periodicals.
Ukrainian literature--20th century--Periodicals.