His Traité de lithographie, ca. 1840 t.p. (G. Engelmann)
LC data base, 2-11-86 (hdg.: Engelmann, Godefroy, 1788-1839; usage: G. Engelmann) LC manual authority cd. (hdg.: Engelmann, Godefroy, 1788-1839; variants: Godefroi Engelmann, Gottfried Engelmann)
VIAF, April 10, 2017 (heading in Bibliothèque nationale de France: Engelmann, Godefroy, 1788-1839; lithographic printer, painter, and inventor, with his son, of chromolithography; born August 17, 1788 in Mulhouse; died April 25, 1839 in Mulhouse)