For Further Study Bloom, Harold, ed., Robert Frost, Modern Critical Views series, Chelsea House Publishers, 1986.

This book contains many essays by leading critics about the poems of Robert Frost.

Meyers, Jeffrey, Robert Frost: A Biography, Houghton Mifflin Co., 1997.

This controversial biography examines the author's personal life closely, including a previously unchronicled affair with his secretary.

Parini, Jay, Robert Frost: A Life, Henry Holt & Co., 1999.

Parini's biography is more sympathetic to his subject than other biographers have been without ignoring Frost's many personal faults.

Winters, Yvor, The Function of Criticism, Allan Swallow, 1957.

This book by the American poet and critic includes an essay critical of Frost and his relationship with Emerson and romanticism.