This volume contains the definitive version of the second of the five volumes of Benjamin Constant’s major study entitled De la Religion, consideree dans sa source … . Its unusually extensive annexes assemble a selection of manuscripts illustrating the working methods and strategies employed by the author. Further, the volume contains a general introduction, a chronology and a detailed critical apparatus comprising explanatory notes, biographical details of the persons referred to, a bibliography, and an index of proper names. As such it gives a graphic idea of the astounding originality displayed by Constant in his approach to research on religion.