- Manifest destiny and mission in American historyFrederick Merk
- History of the westward movementFrederick Merk
- Manifest DestinyFrederick Merk
- Slavery and the annexation of TexasFrederick Merk
- The Monroe doctrine and American expansionism, 1843-1849Frederick Merk
- Dissent in three American warsSamuel Eliot Morison, Frederick Merk et al.
- Albert Gallatin and the Oregon problemFrederick Merk
- Harvard guide to American historyOscar Handlin, Frederick Merk et al.