Columbia subject headings:
Bibliography of bibliographies.
Classification--Books--Bibliography.
Library catalogs--Bibliography.
Periodicals--Indexes--Bibliography.
Printing--History--Gazetteers.
Harvard subject headings:
Bibliography of bibliographies.
Classification--Books--Bibliography.
Library catalogs--Bibliography.
Periodicals--Indexes--Bibliography.
Printing--History--Gazetteers
Princeton subject headings:
Bibliographical literature--Bibliography.
Bibliography of bibliographies.
Classification--Books--Bibliography.
Gazetteers.
Library catalogs--Bibliography.
Periodicals--Indexes--Bibliography.
Printing--History--Gazetteers.