{"value"=>"<p>Materials consist of tabular studies and other documentation concerning USSC investigations into the condition of troops before, during and after the battles of Bull Run and Gettysburg, with particular reference to the effect of forced marches and diet on efficiency in battle and general health. Also present are battle returns (casualty reports for several battles in the east); burial returns; reports of sick and wounded; and reports on medical staff attached to U.S. volunteer forces. Burial returns and reports of medical staff consist of letters and documents sent in response to USSC circular inquiries.</p>"}