Title: Arthur Koestler
Subjects: Biography, English Novelists, History, Imprisonment, Journalists, Philosophers, Political activists, Political and social views, Politics and literature, Prisoners and prisons, Prisoners of war, Spain Civil War, 1936-1939, Careers, Knowledge, Journalism, English Authors
Places: Great Britain, Spain
People: Arthur Koestler (1905-1983)
Time periods: 20th century, Civil War, 1936-1939