Dictionary of American biography, supplement six, 1956-1960 : with an index guide to the supplements

Published 1980

Dictionary of American biography : supplement five, 1951-1955 : with an index guide to the supplements

Published 1977

Dictionary of American biography, supplement seven, 1961-1965 : with an index guide to the supplements

Published 1981

Dictionary of American biography, supplement eight, 1966-1970 : with an index guide to the supplements

Published 1988

American national biography

Published 1999