↑"Well, I did read some Heinlein. I shouldn't really tie it down to ten years because I had read H. G. Wells. I'd read Vance, Jack Vance, and I became acquainted with Jack Vance about that time....I read Poul Anderson." Vertex Magazine Interview with Frank Herbert, by Paul Turner. October 1973 Volume 1, Issue 4.
↑"The Red Order in my "Braided Path" books owes a certain debt to the Bene Gesserit sisterhood". Chris Wooding, "Introduction" to Dune, Gollancz, 2011, (p v). ISBN 0-575-11678-1 .