ロバート・フロスト
「雪の降る夕方森に寄って」 (Stopping by Woods on a Snowy Evening)
The Letters of Robert Frost to Louis Untermeyer (Holt, Rinehart & Winston, 1963; Cape, 1964).
Robert Frost and John Bartlett: The Record of a Friendship, by Margaret Bartlett Anderson (Holt, Rinehart & Winston, 1963).
Selected Letters of Robert Frost (Holt, Rinehart & Winston, 1964).
Interviews with Robert Frost (Holt, Rinehart & Winston, 1966; Cape, 1967).
Family Letters of Robert and Elinor Frost (State University of New York Press, 1972).
Robert Frost and Sidney Cox: Forty Years of Friendship (University Press of New England, 1981).
The Notebooks of Robert Frost, edited by Robert Faggen (Harvard University Press, January 2007).