*RABELAIS
Renaissance
*RACE
Ball Bearings
*RADICALLY
Fortress
*RAISED
Renaissance
*RAISES
Bridge Canal
*RAPHAEL
Artists
Raphael
Renaissance
*RAPIDLY
Gun
Helicopter
*RATCHETS
Reciprocating-to-Rotary
*RATE
Gun
*RATHER
Court Entertainer
Helicopter
Machiavelli, Niccolò
Steam Cannon
*RATS
Black Plague
*RAYS
Spotlight
*REACH
Cabot, John
Crossbow
Digging
Dredger
Missile
Woodwind Keys
*REACHING
Columbus, Christopher
Magellan, Ferdinand
*READ
Backwards "secret" writing
*READING
Spotlight
*REALE
Self-Portrait
*REALIZED
Ball Bearings
*REBIRTH
Constantinople
Renaissance
*REBUILD
Bramante, Donato
*RECEIVED
Botticelli, Sandro
Cortés, Hernán
Verrocchio, Andrea
*RECENTLY
Bicycle
*RECIPROCATING
Lifting
Windlass
*RECLAIMED
Milan
*RECOGNIZED
Gutenberg, Johannes
Lorenzo the Magnificent
*RECORDER
Recorder
Woodwind Keys
*RECORDERS
Recorder
*RECRUITING
Machiavelli, Niccolò
*RECURRED
Black Plague
*RED
Self-Portrait
War of the Roses
*REDUCE
Missile
*REDUCING
Ball Bearings
*REFERRED
Bell-Tower Mechanism
*REFLECTS
Galileo Galilei
*REFORMATION
Calvin, John
Luther, Martin
Renaissance
*REFORMS
Suleiman the Magnificent
*REGAINED
Machiavelli, Niccolò
*REGION
Milan
*REIGNED
Francis I
*REINVENTED
Ball Bearings
Worm Gear
*RELATED
Luther, Martin
*RELATIVELY
Woodwind Keys
*RELEASE
Machiavelli, Niccolò
Release Mechanism
*RELEASES
Bomb
Release Mechanism
*RELEASING
Bomb
*RELIED
Feudal system
*RELIGION
Calvin, John
*RELIGIOUS
Renaissance
*RELUCTANTLY
Elizabeth I
*REMAINED
Cortés, Hernán
Oil paints
*REMAINING
Dredger
Tank
*REMEMBERED
Michelangelo
*REMINDS
Snorkel
*RENAISSANCE
Architects
Artists
Botticelli, Sandro
Bramante, Donato
City-state
Constantinople
Court Entertainer
Florence
Francis I
Italy
Michelangelo
Middle Ages
Milan
Raphael
Renaissance
Workshop
*RENOWNED
Medici
*REOPENED
Joan of Arc
*REPAYMENT
Gutenberg, Johannes
*REPLACE
Shearing Machine
*REPLACED
Drill
*REPLACEMENT
Screw-Making Machine
*REPLIED
Court Entertainer
*REPULSE
Walls and Ladders
*REQUEST
Henry VIII
*REQUIRE
Tank
*RER
Artists
*RESIDES
Florence
*RESISTANCE
Missile
*RESPONSIBLE
Ivan III
*REST
Fortress
Worm Gear
*RESTORED
Bicycle
*RESTORER
Bicycle
*RESULT
Constantinople
*RESUMED
Francis I
*RETHINK
Fortress
*RETIRED
Machiavelli, Niccolò
Shakespeare, William
*RETRACTABLE
Drawbridge
*RETURNED
Cabot, John
*REVIVAL
Renaissance
*REVOLUTION
Copernicus, Nicolaus
Nostradamus
*REVOLUTIONIZED
Renaissance
*REVOLVES
Copernicus, Nicolaus
Galileo Galilei
Renaissance
*REWARD
Court Entertainer
*REWARDED
Court Entertainer
*RHYTHM
Drums I
*RICO
Columbus, Christopher
*RIGHT
Backwards "secret" writing
Lifting
Windlass
*RIGHTS
Gutenberg, Johannes
*RIM
Bell
*RISE
Court Entertainer
Renaissance
*RISEN
Court Entertainer
*RISES
Rotisserie
*RIVAL
Francis I
*RIVER
Arno River
Drawbridge
Florence
*RIVERBED
Digging
Dredger
*ROAST
Rotisserie
*ROCKET
Missile
Rocket
*Rocks
Virgin of the Rocks - 1483
*Rocks
Virgin of the Rocks - 1494
*ROD
Screw-Making Machine
*ROLLER
Bell-Tower Mechanism
Metal Roller
*ROLLERS
Metal Roller
*ROMAN
Constantinople
Francis I
Luther, Martin
Middle Ages
Renaissance
*ROME
Architects
Bramante, Donato
Italy
Michelangelo
Raphael
St. Jerome
*ROMEO
Shakespeare, William
*ROOM
Court Entertainer
*ROPE
Pedal-Powered Wing
*ROSE
War of the Roses
*ROSES
War of the Roses
*ROTARY
Helicopter
Lifting
Windlass
*ROTATE
Ball Bearings
Cannon
Dredger
Helicopter
Pedometer
*ROTATES
Copernicus, Nicolaus
Viola-Organista
*ROTATING
Viola-Organista
*Rotisserie
Rotisserie
*ROUND
Ball Bearings
*ROUNDED
Fortress
*ROUNDS
Court Entertainer
*ROUTE
Columbus, Christopher
Gama, Vasco da
*ROUTES
Renaissance
*ROWERS
Paddle Boat
*ROYAL
Deluge, The
Grotesque Heads
Horse, The
Imola, Map of
Leda and the Swan
Windsor Collection
*RUBS
Wheel Lock
*RULE
Constantinople
Suleiman the Magnificent
*RULED
Elizabeth I
Florence
Lorenzo the Magnificent
Renaissance
Sforza, Lodovico
*RULER
Medici, Giuliano de
Nostradamus
*RULERS
Henry VIII
Medici
Milan
*RUNNING
Ball Bearings
*RUNS
Arno River
*RUSSIA
Ivan III
*RUSSIAN
Ivan III
*