Columbia subject headings:
Internment camps in literature.
Nazi concentration camps in literature.
Prisoners' writings, Russian.
Russian poetry--20th century.
Harvard subject headings:
Prisoners in literature
Prisoners' writings, Soviet--History and criticism.
Prisoners--Soviet Union--Intellectual life.
Russian literature--20th century--History and criticism
Princeton subject headings:
Prisoners in literature.
Prisoners' writings, Soviet--History and criticism.
Russian literature--20th century--History and criticism.