The Roman History · Amm. 31.15.6

But as the messenger did not dare to enter the city, the letters were at last brought in by a certain Christian; and when they had been read and considered with all proper attention, the rest of the day and the whole of the night was devoted to preparing for defence. For inside the city the gates were blocked up with huge stones; the weak parts of the walls were strengthened, and engines to hurl javelins or stones were fixed on all convenient places, and a sufficient supply of water was also provided; for the day before some of the combatants had been distressed almost to death by thirst.

Ammianus Marcellinus · translated by C. D. Yonge · 1911 reprint
C. D. Yonge translation (preface dated February 1862); G. Bell and Sons, 1911; Project Gutenberg #28587
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