In total, 85 issues of "La Libre Belgique de Peter Pan" were produced during the occupation, with the circulation of between 10,000 and 30,000 copies. It was one of the largest and most influential of the Belgian underground newspapers that appeared in the same period. Between April 1941 and the Liberation in September 1944, the paper printed regular bi-monthly editions. Most editions ranged from four to eight pages, including photographs and illustrations.