| asmp.org | ASMP-American Society of Media Photographers |
| lightstalkers.org | Lightstalkers |
| epuk.org | Editorial Photographers United Kingdom and Ireland |
| americanphotojournalist.com | AmericanPhotojournalist.com | For Photojournalists, By Photojournalists |
| loc.gov | U.S. Copyright Office |
| photoshopuser.com | National Association of Photoshop Professionals (NAPP) |
| sportsshooter.com | Sportsshooter.com: The Resource For Sports Photography |
| robgalbraith.com | Rob Galbraith Online |
| ppa.com | Professional Photographers of America |
| pdn-pix.com | Pdn-pix |
| pdn-pix.com | www.pdn-pix.com/ |
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