Ministry of Agriculture, "Technical/Economic Orientation of Farming", Agricultural Census of 2010 and 2000, Download (4 mb)(in French)
archeoprovence.com
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)
Roger Brunet, Canton of Seyne, Le Trésor des régions, consulted on 16 November 2015. (in French)
prim.net
macommune.prim.net
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.