posted by pennfoster .
Which of the following is a primary source?
A. A recently published history book that cites diaries and letters from the 1880s
B. Diaries and letters from the 1880s published in a recent book that is a collection of diaries and letters from the 1880s
C. An encyclopedia article citing events from the 1880s and giving a list of works cited
D. A newspaper article published in the 1980s that reports on an event in the 1880s