Book excerpt: Reproduced in this two-volume set are hundreds of treaties and agreements made by Indian nations--with, among others, the Continental Congress; England, Spain, and other foreign countries; the ephemeral Republic of Texas and the Confederate States; railroad companies seeking rights-of-way across Indian land; and other Indian nations. Many were made with the United States but either remained unratified by Congress or were rejected by the Indians themselves after the Senate amended them unacceptably. Many others are "agreements" made after the official--but hardly de facto--end of U.S. treaty making in 1871. With the help of chapter introductions that concisely set each type of treaty in its historical and political context, these documents effectively trace the evolution of American Indian diplomacy in the United States.