Columbia subject headings:
Incunabula--Bibliography--Catalogs.
Manuscripts--Great Britain--Catalogs.
Rare books.
Harvard subject headings:
Incunabula--Bibliography--Catalogs.
Manuscripts--Great Britain--Catalogs
Rare books
Princeton subject headings:
Catalogs.
Incunabula--Bibliography--Catalogs.
Manuscripts--Great Britain--Catalogs.
Rare books.