8th September 1938: birth of Louis Mahoney who played a newscaster in Frontier in Space (1973), Ponti in Planet of Evil (1975), and the older Billy Shipton in Blink (2007).
8th September 1979: broadcast of second episode of Destiny of the Daleks. The Doctor resurrects Romana; the Daleks resurrect Davros!
“Unreal Estates” has been reprinted in Of Other Worlds: Essays and Stories (Mariner Books, 2002), On Stories: And Other Essays on Literature (Harvest Books, 2002) and in C. S. Lewis Remembered (Zondervan, 2006). Much of it is readable on Google Books.