Varied information on photography http://www.about.com or http://www.photography.about.com
Blue Crane Digital/ Instructional DVD’s http://www.bluecranedigital.com
Communication Arts Magazine http://www.commerce.commarts.com/
Digital Photography Review / Nice Depth of Field explanation/calculator http://www.dpreview.com/learn/?/Glossary/Optical/Depth_of_Field_01.htm
How is Digital Capture Beneficial? Article about Digital Versus Film http://www.johnharrington.com/goingdigital/studiodigital.htm
Nature Photographers Online Magazine http://www.naturephotographers.net/
Newseum/National Geographic’s Women Photographers http://www.newseum.org/womenphotographers
Online Photography: Has many links to various sites. http://www.onlinephotography.com/ Journal of fine art photography.
PBS / American Photography: A Century of Images: Good source for looking at a host of photographers http://www.pbs.org/ktca/americanphotography
Student Photographic Society Basic information for students and paid membership gets you more information. http://www.studentphoto.com/i4a/pages/index.cfm?pageid=1
Terra Galleria Photography: Climbing Photography info http://www.terragalleria.com/35mm/climbing-photo.html
Unblinking Eye/ Creative and Technical Aspects of the Darkroom http://www.unblinkingeye.com/index.html
Wilhelm Imaging Research, Inc. Conducts accelerated light exposure and dark aging tests to determine the comparative life expectancy of inkjet, other digitally printed photographs traditional black-and-white and color photographs http://www.wilhelm-research.com/index.html