Blackdog Media
Classic Reader: The Children of the Night by Edwin Arlington Robinson
This is the full text of the poetry collection The Children of the Night by Edwin Arlington Robinson; it contains 42 poems including "Richard Cory."
University of Illinois
University of Illinois: Modern American Poetry: Edwin Arlington Robinson
This well-organized site offers a useful discussion of all phases of his life and work. Suggested motivation and influences of the author's work. Includes critical discussion of several popular poems.