University of Virginia
Miller Center at Uva: u.s. Presidents: Abraham Lincoln: Domestic Affairs
A comprehensive look at the domestic policies of the Lincoln Administration. Although the many issues involved with the Civil War were top priority, many decisions about other domestic problems were made that had a lasting effect. From...
US National Archives
Nara: Income Tax Records of the Civil War Years
This article presents an excellent historical overview of the income tax as well as look at the tax records of the Civil War years.
US Department of the Treasury
U.s. Department of the Treasury: History: William P. Fessenden (1864 1865)
The Office of the Curator of the Department of the Treasury provides a brief account of the life of William P. Fessenden, including his role as President Lincoln's Secretary of the Treasury from 1864 to 1865.
American Battlefield Trust
American Battlefield Trust: Civil War: The First Income Tax
This site provides an overview of the development of the first national income tax, instituted to fund the Civil War.