Printed sources

Doig, James, and Theo Paijmans. "Finding R. R. Ryan". All Hallows: the Journal of the Ghost Story Society 37 (October 2004).

Doig, James. "R. R. Ryan Found". All Hallows: The Journal of the Ghost Story Society 44 (2008).

Kidd, Charles. "The Redgraves and Connected Families". Genealogists' Magazine, Vol. 28, Num. 9. (March 2006); pp.396-408.

Strachan, Alan. Secret Dreams: a Biography of Michael Redgrave. London: Weidenfeld and Nicolson (2004).

Online

The astonishing Gates Family Genealogy has a lot of information relevant to this site. Dive right in with Annie, click on "Close Relatives" and explore.