The full correspondence in particular cases is sometimes called for by the Congress, in which case it is found in the "Executive Documents" of House or Senate.

A fairly adequate selection of all such papers before 1828 is found in "American State Papers, Foreign Affairs." Three volumes contain the American "Treaties, Conventions, International Acts," etc., to 1918.

A.B.

Hart's "Foundations of American Foreign Policy" (1901) gives a good bibliography of these and other sources.
More intimate material is found in the lives and works of diplomats, American and foreign.

Almost all leave some record, but there are unfortunately fewer of value since 1830 than before that date.