| Photos4Class | Photos4Class - Website created for students - school appropriate images - gives attribution |
| https://creativecommons.org/ | Creative Commons |
| https://www.flickr.com/ | Flickr - Source for Copyright free images. |
| http://www.loc.gov/pictures/ | Library of Congress-Prints and Photos |
| http://morguefile.com/ | Morgue File -Public Domain Images for educational use. |
| http://www.photolib.noaa.gov/collections.html | The National Oceanic and Atmospheric Administration photo library. |
|
https://unsplash.com/ | Unsplash - Free Usable Images |
| https://pixabay.com/ | Pixabay |
| http://openphoto.net/ | Creative Commons Images for educational use. Gives attribution. |