When Warren Little and his wife, Jean, moved into Robert Frost's former residence on Brewster Street in Cambridge in 1994, it was virtually unchanged from the poet's 22-year stay. Little found a suitcase with Frost's formalwear on the third floor, a thank you letter from a Midwestern college behind bookshelves removed from Frost's study, and keys to classrooms at the Bread Loaf Writers' Conference at Middlebury College, where Frost taught.