“The documents comprised in these two volumes are designed to illustrate and interpret the constitutional growth and development of the State of Indiana from the beginnings of its institutional history to the present. For the hundred years from 1816-1916, an attempt has been made to include every document of a constitutional character.”
– from the Preface

Part 1: Cession of the Northwest Territory to the United States and the Organization and Development of the Territorial Government – (1780-1860). This part begins with a 230-page introduction by Kettleborough. This is followed by 33 documents, each with an introduction by Kettleborough that provides background. Altogether there are 152 documents, with introductions, in the four parts.
Part 2: The Organization of a Constitutional Government.
Part 3: Amendment of the Constitution of 1816.
Part 4: The Constitutional Convention of 1850.