The Workers Party of Marxist Unification (POUM)

The best of /r/vexillology — Flags of the parties that used Paramilitary groups

Trotsky and the Spanish Revolution, Spanish Revolution

The Spanish Revolution — English Language Paper of the POUM

Salamanca – CAROLINE ANGUS

Social Revolution and Civil War in Spain, The National WWII Museum

New Lefts Princeton University Press

The Spanish Civil War and the Crimes of Stalinism - Socialist Revolution

Opposition to Unity and Unity of Opposition: Spain and the POUM - COSMONAUT

Opposition to Unity and Unity of Opposition: Spain and the POUM - Cosmonaut

The Spanish Civil War and the crimes of Stalinism

SPANISH CIVIL WAR POUM WORKERS PARTY OF MARXIST UNIFICATION POLITICAL BADGE

LAND AND FREEDOM (Dir. Ken Loach, 1995, UK/Spain/Germany/Italy) – Transformative Political Cinema – Movie Mahal

Hugo Oehler Collection, Special Collections Spotlight, Collection Essays, Robert D. Farber University Archives and Special Collections

Workers' Party of Marxist Unification, Historica Wiki

Socialist and Communist Parties 1931-1939 (Spain)