The Lincoln mailbag America writes to the President, 1861-1865 / edited by Harold Holzer.

Published 1998

The living Lincoln edited by Thomas A. Horrocks, Harold Holzer, Frank J. Williams.

Published 2011

Lincoln's White House secretary the adventurous life of William O. Stoddard / edited by Harold Holzer.

by Stoddard, William Osborn, 1835-1925
Published 2007

1863 Lincoln's pivotal year / edited by Harold Holzer and Sara Vaughn Gabbard.

Published 2013

Judging Lincoln Frank J. Williams ; with a foreword by Harold Holzer ; and an epilogue by John Y. Simon.

by Williams, Frank J.
Published 2002

Lincoln and freedom slavery, emancipation, and the Thirteenth Amendment / edited by Harold Holzer and Sara Vaughn Gabbard ; foreword by Joan L. Flinspach.

Published 2007