Columbia subject headings:
Harvard subject headings:
French literature--History and criticism
German literature--History and criticism
Immigrants in literature
Literature, Modern--History and criticism
Outsiders in literature
Romanies in literature
Strangers in literature.
Princeton subject headings:
French literature--History and criticism.
German literature--History and criticism.
Immigrants in literature.
Literature, Modern--History and criticism.
Outsiders in literature.
Romanies in literature.
Strangers in literature.