Series I. Correspondence features correspondence with authors, publishers, and Poore's family. Poore was part of a small circle of writers at Harvard University before WWI, including e.e. cummings, John Dos Passos, Robert Hillyer, Robert Stewart Mitchell, and Cuthbert Wright, published together in Eight Harvard Poets (1917). General Correspondence features letters from these Harvard associates, as well as John Peale Bishop, Dudley Fitts, Robert Finch, Arthur K. McComb, Katherine Anne Porter, and others.