Columbia subject headings:
Authorship--Moral and ethical aspects.
Ethics in literature.
Hackl, Erich--Contemporaries.
History in literature.
Literature, Modern--20th century--History and criticism.
Politics in literature.
Harvard subject headings:
Authorship--Moral and ethical aspects.
Ethics in literature.
Hackl, Erich--Contemporaries.
History in literature.
Literature, Modern--20th century--History and criticism
Politics in literature.
Princeton subject headings:
Authorship--Moral and ethical aspects.
Ethics in literature.
Hackl, Erich--Contemporaries.
History in literature.
Literature, Modern--20th century--History and criticism.
Politics in literature.