Four volumes, complete, a mixed set: 1929-1940 (third printing), 1941-1956 (first printing), 1957-1965 (first printing), and 1966-1989 (second printing); sixty years of the twentieth century covered; edited by Martha Dow Fehsenfeld (four volumes), Lois More Overbeck (four volumes), George Craig (three volumes), and Dean Gunn (three volumes); 3,000pp., 2,500 letters, quotations from 5,000 others in the annotations; indexes, chronology, illustrations.