Columbia subject headings:
Harvard subject headings:
Authors' spouses--Great Britain--Correspondence
Authors, English--20th century--Biography
Authors, German--20th century--Biography
Goodman, Celia.
Koestler, Arthur, 1905-1983--Biography.
Koestler, Arthur, 1905-1983--Marriage.
Koestler, Mamaine.
Wives--Great Britain--Correspondence.
Princeton subject headings:
Authors, English--20th century--Biography.
Authors, German--20th century--Biography.
Goodman, Celia.
Koestler, Arthur, 1905---Biography.
Koestler, Mamaine.
Wives--Great Britain--Correspondence.