Jules BOIS (Marseille 1868-1943), poet and writer, author of esoteric works; he became a diplomat from 1915. 7 autograph letters signed and 1 typed letter signed, to Georges Rivollet. 15 pp. in-8 and in-12 and 1 p. in-4. New York, Baltimore, Lyon and Paris, 1906-1916. Literary and friendly correspondence, evoking their respective works, his candidacy for the committee of the Société des Poètes Français, then his trip to America where he gave a series of lectures and reported on the state of mind in the USA during the First World War. "Everything is better now and Briand is in a good position. Prince Cantacuzène (Romanian legation) had always told me: 'we will only enter the conflict at the last moment'. And he set the duration of the war, after this intervention, at 3 months, let's put it at 5 or 6 and hope. The majority of America - in the East - is for us. But indifference - to say the least - is firmly established in the centre and the west, where there are almost entirely German cities. That's why I'm going to give a course of six lectures on French culture [...]".