First Principles: What America's Founders Learned from the Greeks and Romans and How That Shaped Our Country

by Thomas E. Ricks

Luckily, there are records of the contents of Robertson’s library. So we can conclude that, like John Adams, Madison probably was educated partly by Dodsley’s Preceptor, which stood on Robertson’s shelves, alongside works by Horace, Justinian, Sallust, Montaigne, Locke, and Montesquieu.

Robertson: Madison’s tutor during his youth.