Princeton historian James M. McPherson will be on campus to deliver a Presidential Lecture on April 13 (@ 7:00 p.m. in Kresge Auditorium). The title of McPherson's lecture is "But There was No Peace: The Aftermath of the Civil War," and more details are available on the Stanford Humanities Center's website.
Additionally, the library has created a webpage containing an essay, excerpts, and a bibliography that describe McPherson's work.