Any analysis of Don Quixote that doesn't mention the fact that that book is, at the core, a meditation on individual liberty, monetary debasement and the moral horror of involuntary slavery, is incomplete. See the work of Eric C. Graf of Universidad Francisco Marroquín. His article-
Juan de Mariana and the Modern American Politics of Money: Salamanca, Cervantes, Jefferson, and the Austrian School
Is a definitive exploration of the links.