Published under the auspices of the American Council of Learned Societies.
Edited by Allen Johnson.
Published originally in twenty volumes between 1928 and 1936; reissued in ten double volumes with supplements and comprehensive index.
v. 1. Abbe to Brazer -- v. 2. Brearly to Cushing -- v. 3. Cushman to Fraser -- v. 4. Fraunces to Hibbard -- v. 5. Hibben to Larkin -- v. 6. Larned to Millington -- v. 7. Mills to Platner -- v. 8. Platt to Seward -- v. 9. Sewell to Trowbridge -- v. 10. Troye to Zunser -- Suppls.1-2 -- Suppl 3 : 1941-1945 -- Suppl.4 : 1946-1950 -- Suppl.5 : 1951-1955 -- Suppl.6 : 1956-1960 -- Suppl.7 : 1961-1965 -- Suppl.8 -- 1966-1970 -- Suppl.9 : 1971-1975 -- Suppl.10 : 1976-1980 -- Comprehensive index.