The letters of Carl Sandburg - Sandburg, Carl 1878-1967.; Mitgang, Herbert (New York : Harcourt, Brace & World., 1968)
Keywords: Sandburg, Carl -- 1878-1967.; Sandburg, Carl, -- 1878-1967 -- Correspondence; Poets, American -- 20th century -- Correspondence; Biographers -- United States -- Correspondence