Columbia subject headings:
British Library. Department of Printed Books--History.
Cataloging--Great Britain--History.
Library catalogs--Great Britain--History.
Harvard subject headings:
British Library. Department of Printed Books--History.
Cataloging--England--London--History.
Library catalogs--England--London--History.
Princeton subject headings:
British Library. Department of Printed Books--History.
Cataloging--England--London--History.
Library catalogs--England--London--History.