The accounts记述 · the ancient witnesses
Roman historians · 罗马史家
Ammianus Marcellinus — Res Gestae (extant Bks 14–31) （阿米阿努斯·马尔切利努斯·业绩录（存卷十四至三十一））primary source · 源典
§ 15, 16, 17, 18, 19, 20
Res Gestae, Books 15–20 — Ammianus served in the East under Ursicinus in these years and reports Julian's elevation at 15.8: 'This happened on the sixth of November of the year when Arbetio and Lollianus were consuls'《业绩录》卷十五至二十——阿米阿努斯此数年在东方从乌尔西奇努斯军中，于15.8记尤利安之立：“事在阿尔贝提奥与洛利安努斯任执政官之年十一月六日”
Provenance: “primary source” = curated canonical witness (editorial); “dated witness” = derived from the ToposText date index by year-span, with the matched loci count. Sparse counts may include incidental mentions.出处：「源典」为校订之正典见证（编辑判断）；「系年见证」由 ToposText 系年索引按年代跨度推得，附匹配条目数；稀少者或含偶涉。
On the timeline时间轴上
→ See this and all 18 historians on the chronology spine于编年脊柱上一览本事件与全部 18 位史家