Columbia subject headings:
American fiction--20th century--History and criticism.
Detective and mystery stories, American--History and criticism.
Hammett, Dashiell, 1894-1961--Criticism and interpretation.
Percy, Walker, 1916-1990--Criticism and interpretation.
Harvard subject headings:
American fiction--20th century--History and criticism
Detective and mystery stories, American--History and criticism.
Hammett, Dashiell, 1894-1961--Criticism and interpretation.
Percy, Walker, 1916---Criticism and interpretation.
Princeton subject headings:
Hammett, Dashiell, 1894-1961--Criticism and interpretation.
Percy, Walker, 1916-1990--Criticism and interpretation.