New Catholic encyclopedia, 2nd ed. v. 12, p. 295 (Rolle de Hampole, Richard; English hermit, author of Latin and English devotional treatises; b. c. 1300 in North Yorkshire; d. at Hampole, Sept. 29, 1349)
Oxford dictionary of national biography v. 47, p. 619 (Rolle, Richard (1305 to 10-1349); hermit and religious author; b. in Thornton Dale; d. in Hampole, September 30, 1349)
Two revisions of Rolle's English Psalter commentary and the related canticles, 2012 t.p. (Rolle's) p. xxii, etc. (Richard Rolle)
Wikipedia, viewed February 1, 2013 (Richard Rolle; b. ca. 1290)