found: James Castle, c2000:p. 5 (b. 1900, Garden Vallery, Idaho; d. 1977)
found: Folk artists biographical index, c1987:p. 45 (Castle, James; b. 1900; fl. 1969 Idaho; made drawings with soot on paper)
found: James Castle, 2004:ECIP galley (James Charles Castle; b. 1899; author asserts that tombstone birthdate is erroneous) change request from publisher (1900 U.S. Census, Castle's 1977 obituary, and family list his birth year as 1899)
found: James Castle, 2005:ECIP change request from published (according to family of James Castle, his correct year of birth is 1900)
found: 1900 U.S. Census records, via Ancestry Library Edition, Feb. 27, 2012 (electronic facsimile of original ms. document lists Castle, James C., son of Francis I. and Mary T. Castle, b. Sept. 1899, 8 months old "at last birthday")
found: "Great and mighty things" : outsider art from the Jill and Sheldon Bonovitz collection, c2013:page 49 (James Castle; born profoundly deaf on September 25, 1899, in sparsely settled farming and ranching area called Garden Valley in the mountains of southwest-central Idaho; died Boise, Idaho, October 26, 1977; male; used his art as means of communication)
found: Outsider art sourcebook, 2016:page 76 (James Castle 1900-1977 ; born profoundly deaf into the isolated community of Garden Valley, Idaho ; drawings and collage sculptures)