Series
2 books in this series.
Nebula 1
Davorin Horak, Kate Wilhelm, Harlan Ellison, Roger Zelazny, Brian W. Aldiss, Richard McKenna, Gordon R. Dickson, Jack Vance, Samuel R. Delany, Fritz Leiber, Michael Moorcock, Richard Wilson, Anne McCaffrey, Robert Silverberg
Nebula 2
Theodore Sturgeon, Fritz Leiber, Robert Silverberg, Poul Anderson, Katherine MacLean, Joanna Russ, Arthur C. Clarke, James Tiptree Jr., Vonda N. McIntyre, Gene Wolfe, Ursula K. Le Guin, Gordon Eklund, Gregory Benford, Davorin Horak
