Andres Nin - Biographical sketch with links of the co-founder of the POUM (Marxist Party of Unification) and leader in the Spanish Civil War. www.spartacus.schoolnet.co.uk/SPnin.htm
The P.O.U.M. in Spain - Critical contemporary article by Albert Weisbord. www.weisbord.org/POUM.htm
Trotsky and the POUM - Article from Revolutionary History on the political relationship and conflict between Trotsky and the POUM led by Andres Nin. www.marxists.org/history/etol/document/spain03.htm
