Birgé's pictures by Sonia Cruchon (©SC), Olivier Degorce (©OD), Étienne Brunet (©EB), Anne-Sarah Le Meur (©ASLM), Peter Gabor (©PG) or himself (*) are the only ones free of rights for press publications, but only if notifying their names.
On another hand dozens of pictures are on Un d.m.i.'s FaceBook!