Photography Directories:

PhotoLinks - The Photography Network

Stock Photography Links at ProsPhotos.Com

Photography Sites - Extensive Directory including Stock Photography listings

PhotographySites.com - A thematic directory of photography and photography related sites. Includes a Photography forum.

Other Directories:

Royalty Free Stock Photography category at Open Directory

ADirect2Z - A searchable directory of websites organised into a wide range of categories, including Photography.

Design Directory, an international design links database

!tzalist Stock Photography Directory

!tzalist Arts Directory

ArtWebLinks.com - A relatively new directory of artists and art related websites organised by subject, including Photography and Stock Photography.

Stock Photography listings at Skaffe.com - the International Directory

Photography listings from SuperLinks Directory

World Site Index - A searchable directory of websites organised by subject.

Yeandi Directory uses a category structure similar to Open Directory, including both arts and business related Photography listings.

Free Web Directory - Including Photography Resources. BizSEO.com offers automatic, instant and free site submissions.