World-scope encyclopedia Vol. 1.-2.

World-scope encyclopedia Vol. 5.-6.

World-scope encyclopedia Vol. 7.-8.

World-scope encyclopedia Vol. 9.-10.

World-scope encyclopedia Vol. 11.-12.

World-scope encyclopedia Vol. 13.-14.

World-scope encyclopedia Vol. 15.-16.

World-scope encyclopedia Vol. 17.-18.

World-scope encyclopedia 1947.

World-scope encyclopedia : book of the year 1949.

World-scope encyclopedia : websters new illustrated dictionary Vol. 19.-20.

The World Book encyclopedia. Volume 12., L.

The World Book encyclopedia. Volume 1., A.

The world book encyclopedia. Volume 1: A.

The world book encyclopedia. Volume 2: B.

The world book encyclopedia. Volume 3: C-Ch.

The world book encyclopedia. Volume 4: Ci-Cz.

The world book encyclopedia. Volume 5: D.

The world book encyclopedia. Volume 6: E.

The world book encyclopedia. Volume 7: F.