Our Collection

At the Institute’s core is the Gilder Lehrman Collection, one of the great archives in American history. More than 65,000 items cover five hundred years of American history, from Columbus’s 1493 letter describing the New World to soldiers’ letters from World War II and Vietnam. Explore primary sources, visit exhibitions in person or online, or bring your class on a field trip.

O'Sullivan The Slaughter Pen at the base of Big Round Top, Gettysburg battlefield [PA]. Confederate corpses lie scattered about among the rocks.

Gilder Lehrman Collection #: GLC05111.01.0780 Author/Creator: O'Sullivan Place Written: [s.l.] Type: Photographs Date: 6 July 1863 Pagination: 1

Summary of Content: Inscription on verso: "The Wilderness slaughterpen." Numeric notation on verso: "128."


Historical Era: Civil War and Reconstruction, 1861-1877

Keywords/Subjects: Civil War, Military History, Union Forces, Battle of Gettysburg, Battle, Confederate States of America, Death

Sub Era: The American Civil War