↑Adrian Room (2003). Placenames of the World: Origins and Meanings of the Names for Over 5000 Natural Features, Countries, Capitals, Territories, Cities and Historic Sights. McFarland. ISBN9780786418145. (анг.)
Evelyn Mesquida, La Nueve, Ces républicains espagnols qui ont libéré Paris, Paris, Le Cherche-Midi, coll. Documents, p.47. 2011. ISBN 978-2-7491-2046-1 (фр.)