Books author - "Ellwood P. Cubberley"

The Civilization which we of to-day enjoy is a very complex thing, made up of many different contributions, some large and some small, from people in many different lands and different ages. To trace all these contributions back to their sources would be a task impossible of accomplishment, and, while specific parts would be interesting, for our purposes they would not be important. Especially would it not be profitable for us to attempt to trace the development of minor features, or to go back