Notes of Debates in the Federal Convention of 1787

Notes of Debates in the Federal Convention of 1787 was James Madison's record of the daily debates held by delegates at the Philadelphia Convention, which resulted in the drafting of the current United States Constitution. Madison's journal describing what delegates said remains valuable to historians, as it is one of historians' few sources of information on the proceedings at present-day Independence Hall during the summer of 1787, which, despite the summer heat, had its windows shut so that those outside could not hear what was being said.

Source: Wikipedia — Notes of Debates in the Federal Convention of 1787 (CC BY-SA 4.0)