Scope and Contents This collection consists of 44 letters from John M. Jackson to his family during the Civil War. With one exception, the letters in this group were addressed to members of Jackson's immediate family — most commonly, to his mother or sisters. The four earliest (September and October 1862) were written from Camp Abraham Lincoln in Portland, Maine, where the 23rd Maine was organized. There follow 12 letters (11 dated from October 1862 to April 1863, and one without date) written from the Potomac...