Columbia subject headings:
Harvard subject headings:
British Library. Document Supply Centre--History.
British Library. Lending Division--History.
National Lending Library for Science and Technology (Great Britain)--History.
Urquhart, Donald.
Princeton subject headings:
British Library. Document Supply Centre--History.
British Library. Lending Division--History.
National Lending Library for Science and Technology (Great Britain)--History.
Urquhart, Donald.