From 1896 until his death, Georges Vicaire was director of the Bulletin du bibliophile with which he worked since 1890. From 1898 to 1902, he was secretary of the "Amis de l'eau forte" and in 1900, a member of the organizing committee of the retrospective section of book at the Exposition Universelle (1900) and a committee member of the International Congress of libraries. On 27 February 1901, he was elected a member of the "Société des bibliophiles françois", established in 1820. At seat XII, he succeeded Jean Hély d'Oissel, Félix-Sébastien Feuillet de Conches, Count Charpin-Feugerolles, Mme Standish-Noailles. In 1890, he had published to her attention, "Rôti-cochon" ("roast-pig") and was preparing for her an important and erudite study which was published in 1901 in the "Almanach du bibliophile" with which he collaborated since 1898.