[CHAPTER X.]

THE FOURTH SIEGE

[CHAPTER XI.]

THE FIRST DEFENCES AGAINST FIRE ARTILLERY

[CHAPTER XII.]

THE FIFTH SIEGE

[CHAPTER XIII.]

THE CITÉ OF LA ROCHE-PONT IS FORTIFIED BY ERRARD DE BAR-LE-DUC, ENGINEER TO THE MOST CHRISTIAN KING OF FRANCE AND NAVARRE

[CHAPTER XIV.]

THE SIXTH SIEGE