Primary sources are the raw materials of history — original documents and objects that were created at the time you are researching.
Secondary sources are accounts that retell, analyze, or interpret events, usually at a distance of time or place.
Observe. Reflect. Question. These documents from the National Archives may be helpful when analyzing primary sources.
Analyzing Photographs and Prints
Analyzing Books and Other Printed Texts
Analyzing Sheet Music and Song Sheets
What more do you want to know, and how can you find out?