This would sure help slam the door on the After-birthers that the Law of Nations written in the US Constitution refers to de Vattel’s works.
I think the AFTER-birthers are in for a very bad next few weeks.
Kind of like Orly's famous Kenyan birth certificates? The Adams papers are owned by the Massachusetts Historical Society and are available for scholars. And in any case, John Adams played no part in the creation of the Constitution.