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" Khan Academy 34,855,340 lessons delivered * Watch Videos o Browse by Topic o Search o Download * Do Exercises * Join Us o About Us + Overview + Frequently Asked Questions + Credits o Coaching Tools + Become a Coach + View Students + Class Report o How to Help + Translate Videos + Develop Software + Report a Problem + Donate + Help in Other Ways + Contact Us The Khan Academy is a not-for-profit 501(c)(3) with the mission of providing a world-class education to anyone, anywhere. We are complementing Salman's ever-growing library with user-paced exercises--developed as an open source project--allowing the Khan Academy to become the free classroom for the World. "

This page lists resources for high-quality public domain photographs. For each resource here, I tell you what you'll find and give you tips for using the photos. What kind of tips, you ask, if the photos are public domain? Aren't they free of all use restrictions? Good question! And the answer is ... yeah, mostly. Here's the deal. Some of these resources have a mix of public domain and copyrighted photos. Also, some of the owners of the physical photos (which, yes, are in the public domain) have placed use restrictions on copies. So you need to know that. But who wants to read all those boring terms and conditions? Well ... I do! And I did, so I can tell you what they are. Often, all that's asked of you is that you credit the photo source. So I've made sure to include any requested credit lines. (Crediting is the right thing to do. You'd like to be credited for your photos, wouldn't you?)

the history raiders bookshelf