<em>The best place to find primary sources is in the library.</em>
A primary source is a document that gives you first-hand evidence or testimony of thing that happened in the past. It could be testimonies of people that lived in those moments or events or pictures or video taken by people from that time, or original documents sealed or signed by the people who elaborated them.
All of these resources can be found in a library. Books, magazines, newspaper, videos, probably audios, and computers to search on the internet.
These buildings were sometimes even over 5 meters long and were made out of bricks that were stacked on top of each other. The constructions are huge and there are many anthropologists who claim that these constructions are second in their greatness only to the great pyramids in Egypt because of how massive and unique they are.
Thus, federal cases originating in Tennessee are appealed to the Sixth Circuit Court of Appeals. The federal trial court in which federal lawsuits originate is the federal district court.