One of the The In-Depth Genealogist’s Top 10 Posts of 2014 is article titled That Online Tree is NOT a Source!. In this article he states; “We all know we are supposed to cite our sources.” They then go on to explain what a source is. Then they continue to state what is not a source. “I’ll tell you what is NOT a source: Someone else’s research. Someone else’s tree. Someone else’s educated guess or deductive reasoning. Neither is information received in an e-mail, from a message board, mailing list or Facebook group.” To learn more read That Online Tree is NOT a Source!