LibriVox Audio Book
Listen to the audio file from LibriVox.
Chapter I (General Remarks):
Chapter II (What Utilitarianism is Parts 1 & 2)
Chapter III (On the Ultimate Sanction of the Principle of Unity):
Chapter IV (Of What Sort of Proof the Principle of Unity is Susceptible):
Chapter V (On the Connection between Justice and Unity Parts 1 & 2):