1. David Kirby (the poet)(b. 1944) is also known as David J. Kirby
2. David Kirby (American journalist) wrote Evidence of Harm.
3. The David Kirby that writes about Scandinavian history is also known as D.G. Kirby.
4. Kirby, David Anthony wrote Entrepreneurship.
5. David G. Kirby (not the same as 3.) wrote A Century of Scarlet.