Columbia subject headings:
Authors, English--20th century--Correspondence.
Spencer, Colin--Correspondence.
Tasker, John--Correspondence.
Harvard subject headings:
Authors, English--20th century--Correspondence
Spencer, Colin--Correspondence.
Tasker, John--Correspondence.
Princeton subject headings:
Authors, English--20th century--Correspondence.
Gay men--Great Britain--Correspondence.
Spencer, Colin--Correspondence.
Tasker, John, 1933-1988--Correspondence.