Columbia subject headings:
British Museum. Department of Manuscripts.
Cotton, Robert, Sir, 1571-1631--Library.
Great Britain--History--Sources.
Manuscripts--Great Britain--Early works to 1800.
Private libraries--England--London--Early works to 1800.
Public records--Great Britain--Early works to 1800.
Harvard subject headings:
Cotton, Robert, Sir, 1571-1631.
Great Britain--History--Sources.
Manuscripts--Great Britain
Princeton subject headings: