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Meltzer, Albert. The Labour Movement in Spain : Albert Meltzer on Spanish Anarcho-Syndicalism.
Pateman, Barry. The Spanish Revolution 70 years later.
Sanz, Carles. Solidaridad Obrera 1976-2006: A look back at the history of CNT journalism over the last 30 years.
Rello, Mateo. Solidaridad Obrera 1907-1939: Notes towards a history of CNT journalism.
Workers War to Stop Fascism: Reports on the Events in Spain by the Secretariat of the International Workingmen's Association.
Marzocchi, Umberto. Remembering Spain : Italian anarchist volunteers in the Spanish Civil War (second edition).
KSL: Bulletin of the Kate Sharpley Library No. 35, July 2003.
Patten, John. Yiddish Anarchist Bibliography - Books & Pamphlets.
KSL: Bulletin of the Kate Sharpley Library No. 70-71, July 2012 [Double issue].
Blanco, Carmen et al. Anarchism In Galicia : Organisation, Resistance and Women in the Underground.
KSL: Bulletin of the Kate Sharpley Library No. 76, October 2013.
KSL: Bulletin of the Kate Sharpley Library No. 96, October 2018.
Souchy, Augustin. History of the Polish Anarchist movement, 1919-1929.
KSL: Bulletin of the Kate Sharpley Library No. 58-59, June 2009.
Guillamón, Agustín. The "Mir Affair", or the clergy's hatred of anarchists.
Imanol, -. A Roll-Call of Spanish Anarchists in the French Resistance and Escape Lines.
Ramus, Pierre and Eugen Relgis. Why does Anarchism progress so slowly?.
Meltzer, Albert. 02 The Coasts of Bohemia; Fighting Fascism; The Battle of Cable Street; Schoolboy Anarchist; Castles in Spain; Frustration on Spain.
Imanol, -. A Roll-Call of Spanish Anarchists in the French Resistance and Escape Lines part one.