The reason for this is that in the translation from an original paged manuscript to an unpaged "cyberscroll", page numbers are lost. In this edition subheadings are the only remaining indexing "handles" of sub-chapter scale. Unfortunately, in some stretches of text these subheadings may be as sparse as merely one in three pages. Therefore, it would seem to make best sense to save the reader time and temper by adopting a shortest path method to indicate the desired reference.
7) Dr. Mommsen has given his dates in terms of Roman usage, A.U.C.; that is, from the founding of Rome, conventionally taken to be 753 B. C. To the end of each volume is appended a table of conversion between the two systems.
CONTENTS
BOOK IV: The Revolution
CHAPTER
I. The Subject Countries Down to the Times of the Gracchi
II. The Reform Movement and Tiberius Gracchus
III. The Revolution and Gaius Gracchus
IV. The Rule of the Restoration
V. The Peoples of the North