Britannica.com, academic edition, December 5, 2012 (Pierre Teilhard de Chardin; born May 1, 1881, Sarcenat, France; died April 10, 1955, New York City; French philosopher and paleontologist known for his theory that man is evolving, mentally and socially, toward a final spiritual unity)
His The fossils from locality 18 ... 1940
LCCN 68-137335: Rivière, C. En Chine avec Teilhard, 1968 (hdg.: Teilhard de Chardin, Pierre; usage: P. Teilhard de Chardin)
Schiwy, G. Teilhard de Chardin, 1985 p. 311 (Marie-Joseph Pierre Teilhard de Chardin, b. 5/1/1881) p. 315 (d. 4/10/55)