Buku yang Dikarang by Barbara A. Somervill

The History of the Calendar

The History of the Computer

The Magnificent Himalayas

Brown v. Board of Education

The History of the Library

Volume 4

Volume 5

Volume 2

The Amistad Mutiny

Volume 6

Mary McLeod Bethune

The History of the Telephone

The History of Space Travel

Australia

The History of the Motion Picture

The Rhode Island Colony

Volume 7

The History of the Airplane

The Massachusetts Colony

The History of the Post Office

The New York Colony

The Land of the Andes

The Rugged Rockies

The History of Money

The History of the Clock

Brown v. Board of Education

The Timeworn Urals

Volume 3

The Amistad Mutiny

The Awesome Alps

Volume 1