His Les alliés sont en Arménie, 1916 t.p. (C. Max Jacob)
Talvart & Place. Auteurs modernes v. 10 (Jacob, Max: Cyprien-Max Jacob of Israeli origin and Breton birth)
Le piéton de Quimper, c1994 t.p. (Max Jacob) p. 169 (b. Max Alexandre; took the surname Jacob in 1888)
Gale literature resource center, via WWW, searched August 19, 2014 Contemporary authors online ((Cyprien-) Max Jacob; born July 12, 1876, in Quimper, France, died March 5, 1944, at Drancy concentration camp, near Paris, France; French poet)