Each of these sources offers photography that is both general and specific to the University of Washington and the Pacific Northwest. Their terms of use and fees vary. Give the department a call. Stock Photography Stock photographs are great resources for shots of the educational environment but do not include UW specific images. Many offer one time purchase and unlimited usage options.
Terms differ by photographer.
There are numerous photographers who have been contracted by various University organizations for photographic work. Many have University of Washington photographs available for a usage fee. Also, many photographers require that they receive written credit within the printed piece and that they receive a copy of each piece printed that features their images. You will be provided with a lengthy list of faculty, staff, and students who are offering their images. The terms of use will vary.