found: Virmaux, A. Cravan, Vaché, Rigaut, 1982 (subj.)t.p. (Vaché) p. 127 (b. 9-7-1895 Lorient (et non pas en Indochine en 1896)) p. 129 (d. 1-6-19 Nantes)
found: LC data base, 5-27-83(hdg.: Vaché, Jacques)
found: Carassou, M. Jacques Vaché et le groupe de Nantes, c1986:p. 22 (used pseudonyms Jacques d'O, Monsieur Cocose, Tristan Hilar, le petit Monsieur Cocose, Angot, and Jacques Bouvier)
found: Lettres de guerre : 1914-1918, 2018:title page (Jacques Vaché)
found: Wikipedia, accessed May 22, 2019(Jacques Pierre Vaché, French writer and designer, considered the precursor to surrealism by André Breton. Born in Lorient 7 September 1895, died in Nantes 6 January 1919. Served in the French army in World War I)