Written primary sources are first-hand accounts from people who witnessed or were involved in the events being described. They include letters or reports written by the people involved, official documents, or photographs of the events. They also include memoirs written later.
Books On The Second World War
"All Gaul is divided ..." : Letters from occupied France by Morrow, Elizabeth Cutter
Design for victory : World War II posters on the American home front by 
Detroit and the "Good War" : the World War II letters of Mayor Edward Jeffries and friends by