1. Aristotle, , Books III–IV — the foundational definition of the citizen as participant in deliberation and judgment
2. Plutarch, — Solon, Lycurgus, and Pericles as exemplars of republican citizenship
3. John Locke, , Chapters VII–XIX — consent, natural rights, and the right to dissolve government
4. Jean-Jacques Rousseau, , Books I–II — the citizen as sharer in sovereign power, civic virtue vs. bourgeois self-interest
5. Immanuel Kant, , Part I, §§43–49 — the three juridical attributes of citizenship and the active/passive distinction
6. Hamilton & Madison, , Nos. 10, 51, 57, 63 — representative government, extended republic, and civic vigilance
7. John Stuart Mill, , Chapters 3, 8, 15 — the developmental argument for universal franchise and plural voting
8. Alexis de Tocqueville, , Volume II — democratic citizenship, voluntary associations, and the danger of soft despotism