The Roman History · Amm. 24.4.6

The next day a bridge was laid across the river, and the army passed over it, and pitched their camp in a fresh and more healthy place, fortifying it with a double rampart, since, as we have said, the open plains were regarded with apprehension. And then he undertook the siege of the town, thinking it too dangerous to march forward while leaving formidable enemies in his rear.

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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