by inheritance to his sister, Agnes C. Wade, 1977; by inheritance 1993 to Geraldine E. Garrow, Georgia M. Allred, Guy W. Wade Jr. and Gail M. Johnson; transferred 1996 to James Castle Collection (comprised of the heirs of Agnes C. Wade); transferred 2011 to James Castle Collection and Archive LP; acquired 2013 by NGA
- Brodie, Judith. "James Castle, Drawings, Artists' Books, and Assemblages." Bulletin / National Gallery of Art, no. 48 (Spring 2013): 28-29, repro.