In his later years he was active in the Committee of Social Defence (CDS), an organization that helped political prisoners and exiles.
On returning to the metropolis, he mixed in libertarian circles in Montmartre and began to publish articles in La Revue Libertaire (1893–94).
[2] After his return to France, Henri Beaulieu worked as a plumber for the Northern Railway, then in 1895, he became a bank employee.
Between July 1894 and February 1898 Beaulieu, Émile Gravelle and Henri Zisly published four numbers of L'État Naturel which advocated naturism, vegetarianism and veganism.
Between 1895 and 1898 the three men published the monthly La Nouvelle Humanité, which proclaimed that humans would be released from slavery through a healthy diet and outdoors living.
[1] In 1901, another naturist group was formed, and from June to October 1901 Beylie edited Le Bulletin de l'Harmonie.
[1] In 1902, Beylie and Georges Butaud co-founded the "milieu libre" anarchist society, with the goal of "creating and developing a free environment in France".
[2] In December 1902, Beylie was one of the founders of the Ligue antimilitariste, along with fellow anarchists Georges Yvetot, Paraf-Javal, Albert Libertad and Émile Janvion.
From 24–31 August 1907, he attended the International Anarchist Congress in Amsterdam with Pierre Monatte, Benoît Broutchoux, René de Marmande, Amédée Dunois and others.
[1] Beylie became a member of the Committee of Social Defence (CDS), an organization that helped political prisoners and exiles.
From March to May 1912, Beylie participated in the Anti-Parliamentary Revolutionary Committee (RAC) of the Confédération Générale du Travail (CGT).