Oil sketches and smaller pictures by Sir Peter Paul Rubens

Oil spills can be difficult to manage, with reporting frequently delayed. Too often, by the time responders arrive at the scene, the slick has moved, dissolved, dispersed or sunk. ...

Pictures are principally descriptive. Advertising images highlight features of potential purchases; cartoons open portals to scenes in fictional worlds; snapshots in the family pho...

An introduction to the life of towns and cities in the medieval period, this book shows how medieval towns grew to become important centers of trade and liberty. Beginning with a l...