Columbia subject headings:
Harvard subject headings:
Arts, Latvian--20th century--History and criticism.
Arts, Ukrainian--20th century--History and criticism.
Latvian literature--20th century--History and criticism.
Ukrainian literature--20th century--History and criticism.
Princeton subject headings:
Arts, Latvian--20th century--History and criticism.
Arts, Ukrainian--20th century--History and criticism.
Latvian literature--20th century--History and criticism.
Ukrainian literature--20th century--History and criticism.