Preston, Paul
The Spanish civil war 1936-1939
Dorsey Press, 1986
 Buku Teks
Thomas, Hugh
The Spanish civil war
Harper & Brothers, 1961
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Cattell, David T.
Soviet diplomacy and the spanish civil war / David T. Cattell
University of California Press, 1957
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Brenan, Gerald
The Spanish labyrinth: an account of the social and political background of the civil war / Gerald Brenan
Cambridge University Press, 1993
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Orwell, George, 1903-1950
Homage to Catalonia
Mariner Books, 2015
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