The Williams, W.C. mss. II, 1913-1978, consist of letters from poet William Carlos Williams, 1883-1963, to his son William Eric Williams, 1914-1995, most of which were written while William Eric was a college student, and of letters to Williams's widow, Florence (Herman) Williams, 1890-1976, or to his publisher at New Directions Press, James Laughlin, 1914- , pertaining to requests for Williams material by editors and researchers.