There were thousands of first hand accounts of D-Day, many used in books . Look at WW2 in your library, you will find lots about D-Day.
primary source
The description shouldn't be there. The answer to the question is "They provide firsthand accounts of historical events."
Intended audience
They contain firsthand accounts of events.
They contain firsthand accounts of events.
They contain firsthand accounts of events.
Robert D. Marcus has written: 'Age of McCarthyism/Plunkitt of Tammany Hall/America Firsthand' 'America firsthand' -- subject(s): Sources, History 'A brief history of the United States since 1945' -- subject(s): History
They were both written. They are both firsthand accounts by men who were there.
Cheese does! :D
Robert D. Hall has written: 'Getting ready for NOW accounts' -- subject(s): NOW accounts
D. A letter written from an eyewitness to events
A primary source is an original material or firsthand information that provides direct evidence of an event, object, person, or work. Examples include documents, photographs, artifacts, interviews, and original research studies. These sources offer firsthand accounts or direct evidence of an event or topic of study.