Columbia subject headings:
Hebrew imprints--Great Britain--Union lists.
Incunabula--Great Britain--Bibliography--Union lists.
Union catalogs--Great Britain.
Harvard subject headings:
Hebrew imprints--Great Britain--Union lists.
Incunabula--Great Britain--Bibliography--Union lists.
Union catalogs--Great Britain
Princeton subject headings:
Incunabula--Bibliography.
Manuscripts, Hebrew--Great Britain.