- E-bookThe History of the CalendarBarbara A. Somervill
- E-bookThe History of the ComputerBarbara A. Somervill
- E-bookThe Magnificent HimalayasBarbara A. Somervill
- E-bookBrown v. Board of EducationBarbara A. Somervill
- E-bookThe History of the LibraryBarbara A. Somervill
- E-bookVolume 4Barbara A. Somervill
- E-bookVolume 5Barbara A. Somervill
- E-bookVolume 2Barbara A. Somervill
- E-bookThe Amistad MutinyBarbara A. Somervill
- E-bookVolume 6Barbara A. Somervill
- E-bookMary McLeod BethuneBarbara A. Somervill
- E-bookThe History of the TelephoneBarbara A. Somervill
- E-bookThe History of Space TravelBarbara A. Somervill
- E-bookAustraliaBarbara A. Somervill
- E-bookThe History of the Motion PictureBarbara A. Somervill
- E-bookThe Rhode Island ColonyBarbara A. Somervill
- E-bookVolume 7Barbara A. Somervill
- E-bookThe History of the AirplaneBarbara A. Somervill
- E-bookThe Massachusetts ColonyBarbara A. Somervill
- E-bookThe History of the Post OfficeBarbara A. Somervill
- E-bookThe New York ColonyBarbara A. Somervill
- E-bookThe Land of the AndesBarbara A. Somervill
- E-bookThe Rugged RockiesBarbara A. Somervill
- E-bookThe History of the ClockBarbara A. Somervill
- E-bookThe History of MoneyBarbara A. Somervill
- E-bookBrown v. Board of EducationBarbara A. Somervill
- E-bookThe Timeworn UralsBarbara A. Somervill
- E-bookVolume 3Barbara A. Somervill
- E-bookVolume 1Barbara A. Somervill
- E-bookThe Awesome AlpsBarbara A. Somervill
- E-bookThe Amistad MutinyBarbara A. Somervill