Columbia subject headings:
American literature--20th century--History and criticism.
English literature--20th century--History and criticism.
Small presses--History--20th century.
Harvard subject headings:
American literature--20th century--History and criticism
English literature--20th century--History and criticism
Literature publishing--English-speaking countries--History--20th century.
Small presses--English-speaking countries--History--20th century.
Small presses--History--20th century.
Underground press publications--English-speaking countries--History--20th century.
Princeton subject headings:
American literature--20th century--History and criticism.
English literature--20th century--History and criticism.
Small presses--History--20th century.