Columbia subject headings:
Bibliography of bibliographies--Periodicals.
Libraries--Canada.
Libraries--United States.
Periodicals--Bibliography--Union lists.
Harvard subject headings:
Bibliography of bibliographies--Periodicals
Libraries--Canada
Libraries--United States
Periodicals
Periodicals--Bibliography of bibliographies.
Periodicals--Bibliography--Union lists
Union catalogs--Canada
Union catalogs--United States
Princeton subject headings: