Bibliography
- Cronin, Séan. 1980. Frank Ryan: The search for The Republic. Dublin: Repsol. ISBN 0-86064-018-3.
- Doyle, Bob. 2006. Brigadista: An Irishman's Fight Against Fascism. Dublin: Currach Press. ISBN 1-85607-937-6.
- Hoar, Adrian. 2004. In Green and Red: The Lives of Frank Ryan. Kerry: Brandon. ISBN 0-86322-332-X.
- McGarry, Fearghal. 1999. Irish Politics and the Spanish Civil War. Cork: Cork University Press. ISBN 1-85918-239-9.
- Ó Duinnín, Eoghan. 1986. La Niña Bonita agus an Róisín Dubh. Dublin: An Clóchomhar.
- O'Riordan, Michael. 2005 . Connolly Column: The story of the Irishmen who fought for the Spanish Republic 1936-1939. Torfaen: Warren & Pell. ISBN 0-9548904-2-6.
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