1. La frontière au-delà des idées reçues
2. Aussilloux, V., and B. Le Hir. 2016. The Economic Cost of Rolling Back Schengen. Analytical Note, no. 39.
3. Avramopoulos. 2016. Statement by Commissioner Avramopoulos on the occasion of the 31st anniversary of the Schengen Agreement. Brussels, June 14, 2016, Statement/16/2192.
4. 'Plastic' border: Ceuta, behind and beyond the walls