Correspondence between Ralph Waldo Emerson and Herman Grimm.

Emerson, Ralph Waldo, 1803-1882.
Port Washington : Kennikat Press, [1971]

The correspondence of Emerson and Carlyle

Emerson, Ralph Waldo, 1803-1882.
New York : Columbia University Press, 1964.

The Emerson brothers : a fraternal biography in letters

Bosco, Ronald A.
Oxford ; New York : Oxford University Press, 2006.

Emerson-Clough letters

Emerson, Ralph Waldo, 1803-1882.
[Hamden, Conn.] : Archon Books, 1968 [c1934]

One first love; the letters of Ellen Louisa Tucker to Ralph Waldo Emerson.

Emerson, Ellen Tucker.
Cambridge, Mass. : Belknap Press of Harvard University Press, 1962.

The selected letters of Ralph Waldo Emerson

Emerson, Ralph Waldo, 1803-1882.
New York : Columbia University Press, [1997]