found: nuc90-32289: His Chansons à rire [MI] 1898(hdg. on NNC rept.: Fourneau, Léon, 1867- ; usage in note: pseud., Xanrof)
found: NUC pre-1956(LC hdg.: Fourneau, Léon, 1867- ; usage: Léon Xanrof; Xanrof)
found: L'encyclopédie de la Comédie musicale en France (1918-1940) WWW site, July 25, 2006(Xanrof, Léon; 1867-1953)
found: Wikipedia WWW site, July 25, 2006(Leon Xanrof; 1867-1953; French playwright and songwriter)
found: Mon coeur est tonjours, 1909(L. Xanrof)
found: Melodramma italiano 1901-1925, 2014:volume 1, page 502 (Silvano D'Arborio da Léon Xanrof; librettist of Costantino Lombardo's operetta La sirena delle Folies Bergère)