bold = Main text
  Book, Chapter       grey = Comment text

1   Int,        3    |    supplied the next year by Duchesne,12 who believed that the
2   Int,        3    |  appendix to the treatise of Duchesne.19 They contain the word
3   Int,        4    |      to solve. For instance, Duchesne adduces an inscription 21
4   Int,        6    |      his list, which has led Duchesne to the surmise that the
5   Int          (64)|                            4 Duchesne, op. cit. p. 37. Also D.
6   Int,        9    | century, and is described by Duchesne as badly written, with many