Best Science Fiction Stories of the Year, Second Annual Collection. ed. del Rey, 1973
Stories by : C.N. Gloeckner, Donald Noakes, Frederik Pohl and C.M. Kornbluth, Gordon Eklund, Isaac Asimov, Jack C. Haldeman, James Tipree Jr, Larry Niven, Phyllis Maclennan, R.A. Lafferty, Robert L. Davis, Robert Silverberg, Thomas N. Scortia, Vernor Vinge, William Rotsler.