Robert Marshall Root

Abraham Lincoln and Stephen A. Douglas debating at Charleston, Illinois on 18th September 1858, 1918 Robert Marshall Root

Field Marshal Lord Roberts of Kandahar, Pretoria and Waterford 1917 Frank Markham Skipworth

Roots of an Indian Rubber Tree Anonymous

Tree Roots Anonymous

Dr Robert Marshall, Medical Officer Fritz von Kamptz

Robert the Bruce. Robert I (1274 – 1329) Anonymous

Tree Study, c.1800-05 Robert Hills

Herb Robert Diana Everett

Marquess of Salisbury Albert Bruce-Joy

The Canadian Robert Burkall Marsh

Frank Buckle, John Wastel, Robert Robson and a Stable Lad Benjamin Marshall

Robert Herrick William Marshall

Elihu Root, American lawyer and statesman Anonymous

Robert Kett seated under the 'Tree of Reformation' receiving the King's messenger Samuel Wale