The papers of James I. Robertson Jr., American Civil War historian, author, and Alumni Distinguished Professor of History at Virginia Tech, span the dates 1849 to 2011 and are comprised of writings, research papers, and collected original materials for the Civil War and the Commonwealth of Virginia. The writings consist of materials (research notes, manuscript drafts, typescript drafts and galley proofs) related to the writing and publication of a portion of Robertson's books and articles between 1982 and 2004, a large collection of notes and records of Virginia county and Civil War activity, and a collection of Virginia Civil War unit notes, records, and correspondence. Some general materials includes items related to the preservation of lands adjacent to Manassas National Battlefield Park and a few manuscript drafts for various speeches made by Robertson.