So far, my research has uncovered 138 "new" articles written "by Frank Herbert."
I even found a picture of 2-year-old Brain Herbert looking into a jack-o-lantern, taken by Frank Herbert himself:
http://erikjorgensenphotos.blogspot.com ... rbert.html
You can follow my research effort on Twitter @FHerbertLostArc
I have found several articles that foreshadow characters or elements in "Dune."
- "The Voice"
- Navigators folding time and space
- Baron Harkonnen's anti-gravity suspensors
- and more...