Before the first recorded census there was the 1783 tax record, in some states. Then comes the 1789 tax record, again only in some states. Many of Virginia's early records were burned by the British. A real issue for a genealogist!
"Most Common Photographic Types of the Century" ~ Nearly all consumer photographs in the were produced by one of these technologies. By recognizing the photographic format, you can more easily date the photo and your ancestor.
Using the death index / records can be of great assistance in making sure your family history has as much of the details as possible. Death records are kept in with state that an individual died in. Even if they never lived in a certain state, if they die