Columbia subject headings:
Great Britain--History--Sources.
Manuscripts--Great Britain--Catalogs.
Harvard subject headings:
British Museum. Department of Manuscripts--Catalogs.
Cotton, Robert, Sir, 1571-1631--Library--Catalogs.
Great Britain--History--Sources.
Manuscripts--Great Britain--Catalogs
Princeton subject headings:
Catalogs.
Great Britain--History--Sources.
Manuscripts--Great Britain--Catalogs.