An ongoing reference to exhibits, events, lectures, reenactments, ceremonies, and other tributes commemorating the significance of Lincoln's life and his presidency during this 200th-year anniversary.

A wheeled pull toy depicting Nixon with a crown? If you're looking for a unique object to bring up in class, start with the digital commons.

Digitized versions of 20 volumes of Public Papers of the Presidents of the United States, from 1992 to 2004.