BAXELL, Richard. British volunteers in the Spanish Civil War : the British Battalion in the International Brigades, 1936-1939. London ; New York : Routledge, 2004. 221 p.
BAXELL, Richard. British volunteers in the Spanish Civil War : the British Batallion in the International Brigades, 1936-1939. Pontypool : Warren and Pell, 2007. 2n ed. 216 p.
https://sidbrint.ub.edu/es/node/12538
