red shift
red snapper
red spider
red spruce
red squill
redstart
Redstone Arsenal
redtop
reduction
reductions
Red Wing
redwood
Redwood City
Redwood National Park
Reed, Sir Carol
Reed, James Alexander
Reed, John
Reed, Joseph
Reed, Stanley Forman
Reed, Thomas Brackett
Reed, Walter
reed
reed bird
reedbuck
Reed College
reedfish
reed instrument
reed mace
reed organ
reef
Reelfoot Lake
Reese, Lizette Woodworth
Reeve, Clara
Reeve, Tapping
referendum
refining
reflection
reflector
reflex
Reform Acts
Reformation
Reformation, Catholic
Reformed churches
Reformed Church in America
Reformed Church in the United States
Reformed Episcopal Church
Reformed Presbyterianism
Reform party, in Canada
Reform party
refraction
refractor
refractory brick
refrigeration
refugee
refuse
regatta
Regem-melech
régence style
Regency
Regency style
Regensburg
Regents of the University of California v. Bakke
Reger, Max
reggae
Reggio di Calabria
Reggio nell’ Emilia
regicides
Regillus, Lake
Regina
Reginald of Châtillon
Regiomontanus
regional planning
Regium Julium
Regla
Regnard, Jean François
Regnault, Henri Victor
Régnier, Henri de
Régnier, Mathurin
Rego, José Lins do
regrating
regression
Regulator movement
Regulus, in Roman history
Regulus, in astronomy
Rehabiah
rehabilitation
Rehan, Ada
Rehe
Rehnquist, William Hubbs
Rehnskiöld, Karl Gustaf
Rehob
Rehoboam
Rehoboth, in the Bible
Rehoboth, town, Israel
Rehovot
Rehum
Rei
Reich, Robert Bernard
Reich, Steve
Reich, Wilhelm
Reichenbach, city, Germany
Reichenbach, town, Poland
Reichenbach Falls
Reichenberg
Reichenhall
Reichsregiment
Reichstadt, Napoleon, duke of
Reichstag
Reichstein, Tadeus
Reid, Thomas
Reid, Thomas Mayne
Reid, Whitelaw
Reidsville
Reigate
Reign of Terror
Reik, Theodor
Reims
Reinach, Joseph
reincarnation
reindeer
Reindeer Lake
reindeer moss
Reinecke, Carl
Reinhardt, Ad
Reinhardt, Django
Reinhardt, Max
Reinmar von Zweter
Réjane
rejería
Rekem
Relander, Lauri Kristian
relativity
relay
relics
relief
religion
religion, freedom of
Religion, Wars of
reliquary
relocation center
Remagen
Remah
Remaliah
Remarque, Erich Maria
Rembrandt Harmenszoon van Rijn
Remeth
Remington, Eliphalet
Remington, Frederic
Remington, Philo
Remizov, Aleksey Mikhailovich
Remmon
Remmon-methoar
Remonstrants
remora
Remscheid
Remus
Rémusat, Charles, comte de
Renaissance
Renaissance art and architecture
Renan, Ernest
Renard, Jules
Renart, Jean
Renault, Louis
Renault, Mary
Rendsburg
René
Renewed Church of the Brethren
Renfrew
Renfrewshire
Reni, Guido
Rennell, James
Renner, Karl
Rennes
rennet
Rennie, John
rennin
Reno, Janet
Reno, Jesse Lee
Reno
Renoir, Jean
Renoir, Pierre Auguste
Rensselaer
Rensselaer Polytechnic Institute
rent
Renton
Renwick, James
reparations
repartimiento
repetitive strain injury
repetitive stress injury
Rephael
Rephaiah
Rephaim
Rephidim
Repin, Ilya Yefimovich
replacement series
repoussé
Repplier, Agnes
representation
Representation of the People Acts
Representatives, House of
repression
repressor
reprieve
reprisal
reproduction
reproductive system
reptile
Repton
republic
Republican
Republican party
Requesens, Luis de Zúñiga y
requiem
reredos
Resaca de la Palma
Research Triangle Park
Resende, Garcia de
reserpine
reservoir
Resheph
Resht
residence
resin
Resina
resistance, in biology
resistance, in psychiatry
resistance, in electricity
Resistencia
resistor
Reia
res judicata
Resolution Island
resolving power
resonance, in acoustics
resonance, in chemistry
Respighi, Ottorino
respiration
respiratory syncytial virus
respiratory system
rest
restaurant
Restif de la Bretonne, Nicolas Edme
Restigouche
Reston, James Barrett
Reston
restoration, in art
Restoration, in English history
Restoration, in French history
restraining order
resurrection
resurrection plant
resuscitator
Reszke, Jean de
retable
retardation
Rethel, Alfred
Rethel
retina
retinol
retriever
retrograde motion
retrovirus
Retz, Gilles de Laval, seigneur de
Retz, Jean François Paul de Gondi, Cardinal de
Reu
Reuben
Reuchlin, Johann
Reuel
Réunion
Reus
Reuter, Christian
Reuter, Fritz
Reuter, Baron Paul Julius von
Reuther, Walter Philip
Reutlingen
Reval
Revelation
Revelstoke
Reventazón
revenue
Revere, Paul
Revere
reversion
Revilla Gigedo, Juan Francisco de Güemes y Horcasitas, conde de
Revillagigedo Islands
revitalization movement
revival, religious
revolution
revolutions of 1848
revolver
revue
Rewa
Rewald, John
Rex cat
Rexroth, Kenneth
Reyer, Ernest
Reyes, Alfonso
Reyes, Rafael
Reye’s syndrome
Reykholt
Reykjavík
Reyles, Carlos
Reymont, Wadysaw Stanisaw
Reynard the Fox
Reynaud, Paul
Reynolds, Albert
Reynolds, John
Reynolds, John Fulton
Reynolds, Sir Joshua
Reynolds, Osborne
Reynoldsburg
Reynolds number
Rezaiyeh
Rezanov, Nikolai Petrovich
Reza Shah Pahlevi
Rezekne
Rezeph
Rezia
Rezin
Rezon
Rf
Rh
Rhadamanthus
Rhaeto-Romanic
Rhagae
Rhangavis, Alexandros Rizos
Rhazes
rhea, in zoology
Rhea, in astronomy
Rhea, in Greek religion and mythology
Rhea Silvia
rhebok
Rhee, Syngman
Rhegium
Rheims
Rhein
Rheinberger, Josef
Rheinfelden
Rheinhausen
Rheinland
Rheinsberg
Rhenish Palatinate
Rhenish Prussia
Rhenish Slate Mountains
rhenium
rheology
rheostat
rhesus factor
rhesus monkey
Rheticus
rhetoric
Rhett, Robert Barnwell
rheumatic fever
rheumatism
Rheydt
Rh factor
Rhine
Rhine, Confederation of the
Rhinebeck
Rhine Canals
Rhineland
Rhineland-Palatinate
Rhine Province
Rhinns of Galloway
rhinoceros
rhizome
rhobuck
Rhode Island, state, United States
Rhode Island, island, United States
Rhode Island, University of
Rhode Island Red chicken
Rhoden, Ausser and Inner
Rhodes, Cecil John
Rhodes, James Ford
Rhodes
Rhodes, Knights of
Rhodesia
Rhodesia and Nyasaland, Federation of
Rhodesian man
Rhodesian ridgeback
rhodium
rhododendron
Rhodope
Rhodophyta
rhodora
Rhoecus
Rhondda, David Alfred Thomas, 1st Viscount
Rhondda
Rhône, department, France
Rhône, river, Switzerland and France
rhubarb
Rhyl
rhyme
Rhyniophyta
rhyolite
Rhys, Jean
Rhys ap Gruffydd
rhythm
rhythm, biological
Riad
Rialto
Rialto Bridge
Riau Archipelago
rib
Ribaut, Jean
Ribbentrop, Joachim von
Ribble
ribbon
ribbon grass
ribbon worm
Ribe
Ribeirão Prêto
Ribeiro, Bernardim
Ribeiro, Darcy
Ribeiro, João Ubaldo
Ribera, Jusepe
Ribii, Mitja
Riblah
riboflavin
riboflavin mononucleotide
ribose
ribosome
Ribot, Théodule
Ricardo, David
Ricasoli, Bettino, Barone
Ricci, Matteo
Riccio, Andrea
Riccio, David
Rice, Elmer
rice
rice bird
riceditch killifish
ricefish
rice-paper plant
Rice University
Rich, Adrienne
Rich, Barnabe
Rich, Edmund
Rich, John
Rich, Penelope, Lady
Richard I
Richard II
Richard III
Richard, earl of Cornwall
Richard, Maurice
Richard Cœur de Lion
Richard de Bury
Richard Lion-Heart
Richard of Devizes
Richard of Saint Victor
Richards, Ann Willis
Richards, Dickinson Woodruff, Jr.
Richards, Ellen Henrietta Swallow
Richards, Gordon
Richards, I. A.
Richards, Thomas Addison
Richards, William Trost
Richardson, Dorothy M.
Richardson, Elliot Lee
Richardson, Ernest Cushing
Richardson, Henry Handel
Richardson, Henry Hobson
Richardson, John
Richardson, Sir Ralph
Richardson, Samuel
Richardson, William Adams
Richardson
Richberg, Donald Randall
Richelieu, Armand Emmanuel du Plessis, duc de
Richelieu, Armand Jean du Plessis, duc de
Richelieu
Richet, Charles Robert
Richfield
Richier, Germaine
Richier, Ligier
Richland
Richler, Mordecai
Richmond, city, England
Richmond, cities, United States
Richmond and Derby, Margaret Beaufort, countess of
Richmond and Lennox, Charles Lennox, 3d duke of
Richmond and Lennox, Frances Teresa Stuart, duchess of
Richmond College
Richmond National Battlefield Park
Richmond–San Rafael Bridge
Richmond upon Thames
Richter, Burton
Richter, Conrad
Richter, Hans
Richter, Johann Paul Friedrich
Richter, Ludwig
Richter, Sviatoslav
Richter scale
Richthofen, Ferdinand, Baron von
Richthofen, Manfred, Baron von