Robert Frost and Sidney Cox : forty years of friendship / [edited by] William R. Evans ; foreword by James M. Cox. Frost, Robert, 1874-1963. Cox, Sidney, 1889-1952. Evans, William R. (William Richard) Frost, Robert, 1874-1963 Correspondence. Cox, Sidney, 1889-1952. Poets, American 20th century Correspondence. College teachers United States Correspondence. PS3511.R94 Z523 1981 811.52 19 FRO Includes index. Hanover, N.H. : University Press of New England, 1981. 1981. 1981 Text xiv, 297 p. ; eng United States