Letters , the latter of which he authored with John Bach McMaster .
Other works by Ames included John C. Calhoun and the Secession Movement of 1850 , Slavery and the Union 1845 -- 1861 , and The X.Y.Z.
Letters , the latter of which Ames authored with John Bach McMaster .
Other works by Ames included John C. Calhoun and the Secession Movement of 1850 , Slavery and the Union 1845 -- 1861 , and The X.Y.Z.