Ministry of Agriculture, "Technical/Economic Orientation of Farming", Agricultural Census of 2010 and 2000, Download (4 mb)(in French)
alpes-de-haute-provence.gouv.fr
Prefecture of Alpes-de-Haute-Provence, List of Mayors, 2014, consulted 19 November 2015 (in French)
archeoprovence.com
Daniel Thiery, Barras, On the origins of rural Chuches and Chapels of Alpes-de-Haute-Provence, published 13 December 2010, online 14 December 2010, consulted on 2 July 2012. (in French)
basses-alpes39-45.fr
Sébastien Thébault and Thérèse Dumont, The Liberation, Basses-Alpes 39-45, published 31 March 2014, consulted 2 April 2014. (in French)
Ministry of Ecology, sustainable development, transport, and lodgings, Communal Notice BarrasArchived 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 BarrasArchived 2015-11-17 at the Wayback Machine on the Gaspar database, consulted on 16 November 2015.