1909 Journals of Ralph Waldo Emerson, edited by Edward Waldo Emerson and Waldo Emerson Forbes, published (Boston: Houghton, Mifflin) in ten volumes
1938 Young Emerson Speaks: Unpublished Discourses on Many Subjects, edited by Arthur Cushman McGiffert, Jr., published (Boston: Houghton, Mifflin)
1939 The Letters of Ralph Waldo Emerson, edited by Ralph L. Rusk, published (New York: Columbia University Press). Most letters earlier printed — Emerson's correspondence with Carlyle, John Sterling, Samuel Gray Ward, Herman Grimm, William Henry Furness, Arthur Hugh Clough — not included
1959 The Early Lectures of Ralph Waldo Emerson began publication (Cambridge: Harvard University Press); completed 1972. A total of three volumes published
1960 The Journals and Miscellaneous Notebooks of Ralph Waldo Emerson began publication (Cambridge: The Belknap Press of Harvard University Press); completed 1982. A total of sixteen volumes published
1964 The Correspondence of Emerson and Carlyle, edited by Joseph Slater, published (New York and London: Columbia University Press)
1971 The Collected Works of Ralph Waldo Emerson began publication (Cambridge: The Belknap Press of Harvard University Press)
