Websites
The following links represent a sampling of Civil War online collections that provide a great source of research material:
American Civil War Research Database
Archives.gov/research/still-pictures/civil-war
Baseball Chronology of the Civil War
The Becker Collection - Drawings of the American Civil War Era
Mathew Brady's Photographs of Union Generals
Civil War Defenses of Washington - National Park Service
Civil War Diaries and Letters - Iowa University
Civil War Digital Collection - Furman University
Confederate Memorial Literary Society Image Collection
Escaping Slavery, Building Diverse Communities
Gett Digital - Gettysburg College Digital Collection
Rutherford B. Hayes Presidential Museum
House Divided - The Civil War Research Engine at Dickinson College
Irish in the American Civil War
The Lincoln Log - Chronology of the President's Life
Maps of the Civil War Defenses
McAllister Civil War Prints, Ephemera, and Scrapbooks
The Medford Historical Society Photograph Collection
National Archives Civil War Photos
New York Historical Society - Civil War Treasures
New York Historical Society Digital Collections
Rare and Manuscripts Collections
Resources for the Study of Alexandria during the Civil War
Unionism in Virginia during the Civil War
Virginia Center for Civil War Studies