Several collections focusing on the interaction between American Indians and the U.S. government in the 19th and 20th Centuries, focusing on the 19th Century Indian Removal from 1832-1840, the U.S. Army and American Indians in the years from the 1850s-1890s, including detailed coverage of Indian Wars. The featured collections on the 20th Century are Records of the Bureau of Indian Affairs and records from the Major Council Meetings of American Indian Tribes.
Collections from the holdings of the Massachusetts Historical Society, the first North American historical society and the first library to devote its primary attention to collecting Americana. The collections digitized focus on the Colonial Era, the Revolutionary War, and the Early National Period, with some collections extending into the Civil War era.