- Rue des Chantres
- Rudolph Valentino
- Ruddy Duck
- Ruby-throated Hummingbird
- Ruby-crowned Kinglet
- Rube Smith
- Rube Burrow
- Royal Mail Coach
- Royal Harper
- Royal Dinner of the time of Edward IV
- Royal Costume
- Royal Arms of England from Richard I. to Edward III
- Rowing improves the carriage
- Rowing grip
- Rowers in an Athenian Warship, 400 B.C.
- Row House type at Jamestown
- Routes Traversed by De Soto and De Leon
- Routes of the discoverers
- Route of British military dirigibles from France to England, 1900
- Round-Leaved Sundew
- Round-headed Ofnet Man
- Round Tower of Rhode Island
- Round Table of King Artus of Brittany
- Round fruit
- Roumanian Peasants Selling Flowers and Fruit
- Roumanian Peasant Girl
- Rough Sea Divider
- Rough Diagram, showing Comparative Sizes of Famous Ships at Different Periods
- Rotta
- rotating crank-catch turned 90°
- Rot at Mouldering Wharves
- Rostro-carinate or Eagle-beak Flint Implement
- Rose-Red's mamma gathered her up in her arms and comforted her
- Rose Rolando
- Rose Hip cut lengthwise to show the seeds
- Rose Frame
- Rose
- Rope-geared hydraulic freight elevator
- Rope Frame
- Rope Bridge
- root of a beet plant
- root and stem and leaves of the young oak
- Rooster divider
- Rooster
- Roosevelt Poster
- Room to pass
- Rome dominating the world.
- Rome and its Alliances, 150 B.C.
- Romans teaching the Britons to Build
- Romans Landing
- Roman trumpets
- Roman Trophies
- Roman Trophies
- Roman temple (maison carrée) in Nîmes
- Roman Soldiers on Bridge of boats
- Roman Soldiers Leaving Britain
- Roman Soldiers and a Jew
- Roman Soldiers
- Roman Soldiers
- Roman Soldiers