Encyclopaedia Britannica (UK) Ltd

Britannica Book of the Year 1982

By Ertel, James

Britannica Year Book of Science and the Future 1983

By Calhoun, David, David. (Editor).

Encyclopaedia Britannica

Britannica Book of the Year 1984

By Felknor, Bruce

Encyclopaedia Britannica

Britannica Book of the Year 1985

By Britannica

Britannica Year Book of Science and the Future 1986

By Calhoun, David

Britannica Medical and Health Annual 1986

By Bernstein, Ellen

Encyclopaedia Britannica

Britannica Book of the Year 1986

By Encyclopaedia Britannica

Britannica Year Book of Science and the Future 1987

By Calhoun, David, David.(Editor).

Encyclopaedia Britannica

By Goetz, Philip W, Philip W Goetz

Britannica Book of the Year 1987

Encyclopaedia Britannica

By Goetz, Philip W.

Britannica Book of the Year

By editor

Britannica Year Book of Science and the Future 1989

By Calhoun, David

Encyclopaedia Britannica

By Goetz, Philip W.

Webster's Third New International Dictionary

By MERRIAM-WEBSTER, Gove, Phillip B.

Britannica Book of the Year 1989

By Daume, Daphne

Britannica Year Book of Science and the Future 1990

By Calhoun, David

Encyclopaedia Britannica

By Philip W. Goetz, Encyclopaedia Britannica

Britannica Book of the Year: 1990

By Daume, Daphne, Daphne Daume

Britannica Year Book of Science and the Future 1991 (Yearbook of science & the future)

By Calhoun, David

Encyclopaedia Britannica

By Goetz, Philip W.

Britannica Book of the Year 1991

By Daume, Daphne

Britannica Year Book of Science and the Future 1992 (Yearbook of science & the future)

By Calhoun, David

Encyclopaedia Britannica

By McHenry, Robert

Britannica Book of the Year 1992

By Daume, Daphne

Yearbook of Science and the Future: 1993 (Yearbook of science & the future)

By Calhoun, David

Encyclopaedia Britannica

By McHenry, Robert