Columbia subject headings:
American literature--Bibliography--Methodology.
Collection development (Libraries)
English literature--Bibliography--Methodology.
Libraries--Special collections--American literature.
Libraries--Special collections--English literature.
Harvard subject headings:
American literature--Bibliography--Methodology.
Collection development (Libraries)
English literature--Bibliography--Methodology
Libraries--Special collections--American literature
Libraries--Special collections--English literature
Princeton subject headings:
American literature--Bibliography--Methodology.
Collection development (Libraries)
English literature--Bibliography--Methodology.
Libraries--Special collections--American literature.
Libraries--Special collections--English literature.