Daniel Thiery, Barles, On the origins of rural Churches and Chapels of Alpes-de-Haute-Provence, published 13 December 2010, online 14 December 2010, consulted on 16 November 2015. (in French)
Ministry of Ecology, sustainable development, transport, and lodgings, Communal Notice BarlesArchived 2015-11-17 at the Wayback Machine on the Gaspar database, consulted on 16 November 2015.
Ministry of Ecology, sustainable development, transport, and lodgings, Communal Notice BarlesArchived 2015-11-17 at the Wayback Machine on the Gaspar database, consulted on 16 November 2015.