Renner, Paul, 1878-1956 (Nombre personal)

Color--order and harmony, c1964: t.p. (Paul Renner)

LC database, Apr. 15, 1997 (hdg.: Renner, Paul, 1878- )

Wikipedia, Aug. 12, 2008 (Paul Renner; b. Aug. 9, 1878, Wernigerode, Ger.; d. Apr. 25, 1956; typeface designer)

books.google.com on www, Aug. 12, 2008 (Paul Renner; 1878-1956; German typographer, type designer, teacher, writer, and painter)