Columbia subject headings:
Historians--Great Britain--Correspondence.
Trevor-Roper, H. R. (Hugh Redwald), 1914-2003--Correspondence.
Harvard subject headings:
Historians--Great Britain--Correspondence
Trevor-Roper, H. R. (Hugh Redwald), 1914-2003--Correspondence.
Princeton subject headings:
Historians--Great Britain--Correspondence.
Trevor-Roper, H. R. (Hugh Redwald), 1914-2003--Correspondence.