Free Speculative Fiction Online 
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(F & SF, July 1984)
(F & SF, April 1988)
(Asimov's, September 1989)
(Omni, October 1994)
(Asimov's, January 1997)
(Silver Birch, Blood Moon Anthology, 1999)
(SciFiction, May 2002)
(Asimov's, May 2002)
Isfdb:
(Asimov's, July 2006) Isfdb:
(The New Space Opera Anthology, 2007)
(Asimov's, April 2007). Isfdb:
(Jim Baen's Universe Vol. 2 No. 4, December 2007).
(Fast Forward Anthology #2, 2008)
(Fantasy Magazine, September 2009)
(Lightspeed, November 2010) 
Isfdb:
(Lightspeed, May 2011) Isfdb:
(Life on Mars Anthology, 2011)
(Twelve Tomorrows Anthology, 2013)
(Beyond the Sun Anthology, 2013)
(Tor.com, July 2013) Isfdb:
(Multiverse Anthology, 2014)
(Coming Soon Enough Anthology, 2014). Available as part of this magazine.
(Meeting Infinity Anthology, 2015)
(baen.com, April 2020)
(Clarkesworld #177, June 2021) Isfdb: