The accounts记述 · the ancient witnesses
Greek historians · 希腊史家
Appian — Roman History （阿庇安·罗马史）witness · 见证
Roman historians · 罗马史家
Livy — Ab Urbe Condita （李维·建城以来史）primary source · 源典3 loci · sparse
§ 1.21–21 · 3/3 in the cited books
the reign of Numa Pompilius in Book 1卷一中努马·庞皮利乌斯一朝
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