Hello, I'm Malik Shabazz. I noticed that you made a change to an article, Columbia University, but you didn't provide a reliable source. It's been removed for now, but if you'd like to include a citation and re-add it, please do so! If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thank you. — Malik Shabazz Talk/Stalk 16:40, 21 August 2013 (UTC)
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