American History, 1493–1945 This link opens in a new windowOnline database containing over 60,000 primary-source documents from the beginnings of European settlement of North America to the end of World War II. Sourced from the collections of the Gilder Lehrman Institute of American History, it is divided into two modules: Module 1: "Settlement, Commerce, Revolution, and Reform: 1493–1859" and Module 2: "Civil War, Reconstruction, and the Modern Era: 1860–1945." Also provides essays, chronologies, videos, and interactive features. Automated extraction of data is not allowed directly from the database without the written consent of Adam Matthew--see a Librarian for assistance.