Winner of 2 Hugos (and nominated for 8 more).
Winner of 3 Nebulas (and nominated for 7 more).
(These numbers refer to awards for best novel, novella, novelette and short story only! Other awards, including the Retro Hugos, are not covered)
Show all award-winning/ award-nominated fiction
Free Speculative Fiction Online 
(The Alien Condition Anthology, 1973). (F & SF, March 1972)
(Galaxy, March 1969) (Amazing, May 1972). A sample from this anthology. (Final Stage Anthology, 1974) (Stellar #4, 1978)