PAZ, Abel. Story of the iron column : militant anarchism in the Spanish Civil War. Oakland ; Edinburgh : AK Press, 2011. ©2011. 278 stran. Dostupné na internetu: <http://site.ebrary.com/lib/natl/Doc?id=10960157> <http://www.nkp.cz/katalogy-a-databaze/licencovane-databaze/prehled-licencovanych-zdroju/ebrary-vypujcky> ISBN 978-1-84935-065-5.