22 works in English-language magazines
| Date | Page | Type | Title | Magazine |
|---|---|---|---|---|
| August 1986 | Cover Art | The Magazine of Fantasy & Science Fiction, August 1986 | The Magazine of Fantasy & Science Fiction, August 1986 | |
| November 1986 | 88 | Interior Art | The Hound of Mac Datho | Isaac Asimov's Science Fiction Magazine, November 1986 |
| April 1987 | Cover Art | The Magazine of Fantasy & Science Fiction, April 1987 | The Magazine of Fantasy & Science Fiction, April 1987 | |
| August 1987 | Cover Art | The Magazine of Fantasy & Science Fiction, August 1987 | The Magazine of Fantasy & Science Fiction, August 1987 | |
| January 1989 | Cover Art | The Magazine of Fantasy & Science Fiction, January 1989 | The Magazine of Fantasy & Science Fiction, January 1989 | |
| November 1989 | Cover Art | The Magazine of Fantasy & Science Fiction, November 1989 | The Magazine of Fantasy & Science Fiction, November 1989 | |
| March 1991 | Cover Art | The Magazine of Fantasy & Science Fiction, March 1991 | The Magazine of Fantasy & Science Fiction, March 1991 | |
| October 1991 | Cover Art | The Magazine of Fantasy & Science Fiction, October-November 1991 | The Magazine of Fantasy & Science Fiction, October-November 1991 | |
| July 1992 | Cover Art | The Magazine of Fantasy & Science Fiction, July 1992 | The Magazine of Fantasy & Science Fiction, July 1992 | |
| November 1993 | 58 | Interior Art | Love in the Land of Law | Amazing Stories, November 1993 |
| March 1994 | Cover Art | The Magazine of Fantasy & Science Fiction, March 1994 | The Magazine of Fantasy & Science Fiction, March 1994 | |
| December 1994 | Cover Art | The Magazine of Fantasy & Science Fiction, December 1994 | The Magazine of Fantasy & Science Fiction, December 1994 | |
| September 1996 | Cover Art | The Magazine of Fantasy & Science Fiction, September 1996 | The Magazine of Fantasy & Science Fiction, September 1996 | |
| January 2001 | Cover Art | The Magazine of Fantasy & Science Fiction, January 2001 | The Magazine of Fantasy & Science Fiction, January 2001 | |
| October 2003 | Cover Art | The Magazine of Fantasy & Science Fiction, October-November 2003 | The Magazine of Fantasy & Science Fiction, October-November 2003 | |
| October 2004 | Cover Art | The Magazine of Fantasy & Science Fiction, October-November 2004 | The Magazine of Fantasy & Science Fiction, October-November 2004 | |
| December 2005 | Cover Art | The Magazine of Fantasy & Science Fiction, December 2005 | The Magazine of Fantasy & Science Fiction, December 2005 | |
| September 2007 | Cover Art | The Magazine of Fantasy & Science Fiction, September 2007 | The Magazine of Fantasy & Science Fiction, September 2007 | |
| April 2009 | Cover Art | The Magazine of Fantasy & Science Fiction, April-May 2009 | The Magazine of Fantasy & Science Fiction, April-May 2009 | |
| September 2010 | Cover Art | The Magazine of Fantasy & Science Fiction, September-October 2010 | The Magazine of Fantasy & Science Fiction, September-October 2010 | |
| September 2014 | Cover Art | The Magazine of Fantasy & Science Fiction, September-October 2014 | The Magazine of Fantasy & Science Fiction, September-October 2014 | |
| March 2017 | Cover Art | The Magazine of Fantasy & Science Fiction, March-April 2017 | The Magazine of Fantasy & Science Fiction, March-April 2017 |
Primarily an illustrator, apparently a specialist in nonfiction for children.
Barnard's work most widely held in WorldCat libraries is self-illustrated nonfiction such as Dangerous Planet: Natural Disasters That Changed History (2003), which features ten "natural disasters".