Intergalactic empiresIsaac Asimov, Martin H. Greenberg, Charles Waugh, Robert Silverberg, Lloyd Biggle Jr, Alexei Panshin, H. Beam Piper, Paul Myron Anthony Linebarger, Eric Frank Russell, Everett B. Cole, Poul Anderson · First published 1983Open the Tome
Dare we look ahead?Bertrand Russell, Vernon Bartlett, G. D. H. (George Douglas Howard) Cole · First published 1938Open the Tome
