The accounts记述 · the ancient witnesses
Greek historians · 希腊史家
Polybius — The Histories （波利比乌斯·历史）dated witness · 系年见证3 loci · sparse
§ 1.6–6
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469 loci · well-attested
§ 4.7–61, 5.35–55, 6.1–42 · 469/469 in the cited books
the alternation of consuls and consular tribunes across Books 4-6卷四至卷六执政官与执政权军事保民官交替之制
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