The complete correspondence of Sigmund Freud and Karl Abraham, 1907-1925

Freud, Sigmund, 1856-1939.
London ; New York : Karnac, 2002.

The complete letters of Sigmund Freud to Wilhelm Fliess, 1887-1904

Freud, Sigmund, 1856-1939.
Cambridge, Mass. : Belknap Press of Harvard University Press, 1985.

The Freud/Jung letters : the correspondence between Sigmund Freud and C.G. Jung

Freud, Sigmund, 1856-1939.
Cambridge, Mass. : Harvard University Press, 1988.

The letters of Sigmund Freud and Otto Rank : inside psychoanalysis

Freud, Sigmund, 1856-1939.
Baltimore : Johns Hopkins University Press, [2012]