We all know there are tons of trees on Ancestry with no real sources. But there is GOLD there if you have the patience to look. Take an ancestor, get the full list of trees, and check to see which ones have sources, and then check those sources. The sources you find are likely to be old fashioned PRINT. Books, letters, papers, family bibles. Then of course the hard part of tracking down the source, finding the people who have them, and getting copies. I have a list now and emails out for several sources. Hopefully some of them come through!