Types of historical documents vary greatly, from a canceled US Treasury check for the purchase of goods to the Apollo 11 flight plan. What's more, history itself can be told in different ways depending on which historical narratives are selected to tell it.
Subjective experiences can influence how historical events are interpreted and, therefore, how they're understood by future generations. Historians depend on many types of historical documents to analyze and reconstruct historical events and periods.
Consider, for example, the 1860 article about Abraham Lincoln's election published in the Charleston Mercury of South Carolina: "Yesterday, November the 7th, will long be a memorable day in Charleston. The tea has been thrown overboard.