Columbia subject headings:
Authors, English--20th century--Biography.
Koestler, Arthur, 1905-1983--Friends and associates.
Mikes, George--Friends and associates.
Harvard subject headings:
Authors, English--20th century--Biography
Koestler, Arthur, 1905-1983--Friends and associates.
Mikes, George--Friends and associates.
Princeton subject headings:
Authors, English--20th century--Biography.
Koestler, Arthur, 1905---Friends and associates.
Mikes, George--Friends and associates.