--Lee Ann Potter
History becomes much more than past events and important dates, when students investigate the subtle clues buried in primary sources: Battle of Gettysburg map (1863); Yeager's letter about his flight of the XS-1 (1947); Manhattan Project letter (1945).
Links:
[1] http://publications.socialstudies.org/se/6707/6707372.pdf
[2] http://www.socialstudies.org/category/historical-period/world-war-ii-0
[3] http://www.socialstudies.org/category/historical-period/cold-war-civil-rights
[4] http://www.socialstudies.org/category/journal/social-education
[5] http://www.socialstudies.org/secondaryhighschool
[6] http://www.socialstudies.org/ushistory