Bruin, C.C. de. Geert Grote en die moderne devotie, c1984 t.p. (Geert Grote) jkt. (b. 1340, d. 1384)
Encycl. Brit., 16th ed. (Groote, Gerhard, also called Geert Groete or Gerardus Magnus; b. Oct. 1340; d. 8/20/1384)
Gérard Grote, fondateur de la Dévotion moderne, c1998 t.p. (Gérard Grote) cover p. 4 (b. 1340, d. 1384)
Geert Groote, Thomas von Kempen und die Devotio moderna, 1978 p. 12, etc. (b. 1340 in Deventer; d. Aug. 1384; Dutch reformer)
GW v. 7, col. 38 (Gerardus Groot)
LC data base, 3-26-87 (hdg.: Groote, Gerard, 1340-1384)
Molhuysen (Groote (Gerrit de) or Geert Groote)
Wikipedia 17 Jan. 2013 (Gerard Groote (October 1340-20 August 1384), otherwise Gerrit or Gerhard Groet, in Latin Gerardus Magnus, was a Dutch preacher and founder of the Brethren of the Common Life and a key figure in the Devotio Moderna movement) http://en.wikipedia.org/wiki/Gerard_Groote