Thomas, Hugh
The Spanish civil war
Harper & Brothers, 1961
 Buku Teks SO
Cattell, David T.
Soviet diplomacy and the spanish civil war / David T. Cattell
University of California Press, 1957
 Buku Teks SO
Jackson, Gabriel
The Spanish Republic and the Civil War 1931-1939 / by Gabriel Jackson
Princeton University Press, 1972
 Buku Teks SO
Brenan, Gerald
The Spanish labyrinth: an account of the social and political background of the civil war / Gerald Brenan
Cambridge University Press, 1993
 Buku Teks SO
Hansen, Harry
The civil war
A Mentor Book, 1961
 Buku Teks SO