R (Computer program language) (2 186)
Raamattu (27 135)
Raamatun henkilöt (4 211)
Rabbinical literature (1 594)
Race (2 206)
Race discrimination (2 240)
Race identity (4 178)
Race in literature (2 050)
Race relations (20 960)
Racism (7 108)
Radiation (1 903)
Radicalism (3 446)
Radio (1 702)
Radiography (1 625)
Radiology (2 989)
Radiotherapy (1 490)
Railroads (1 976)
Rating of (2 085)
Reading (3 018)
Real exchange rates (1 291)
Real property (1 374)
Realism (1 413)
Reason (1 342)
Reasoning (1 873)
Recherche (3 045)
Recording and reproducing (1 405)
Recreation (1 549)
Recruiting (1 432)
Reformation (3 380)
Refugees (5 236)
Regimental histories (1 894)
Regimes (2 786)
Regional and International Studies (1 697)
Regional economics (1 474)
Regional planning (4 504)
Regionalism (3 144)
Regions & Countries - Americas (2 614)
Regions & Countries - Asia & the Middle East (1 504)
Regions & Countries - Europe (1 893)
Rehabilitation (11 548)
Relations (19 867)
Relationship marketing (1 345)
Reliability (2 950)
Reliability (Engineering) (1 534)
Religion (37 889)
Religion and culture (1 535)
Religion and politics (3 852)
Religion and science (2 844)
Religion and sociology (3 265)
Religion and state (1 482)
Religion. (2 330)
Religions (3 427)
Religious aspects (41 849)
Religious life (4 820)
Religious life and customs (5 041)
Religious Studies. (1 322)
Remote sensing (3 000)
Renaissance (4 228)
Renewable energy sources (5 306)
Report writing (2 411)
Representative government and representation (2 519)
Reproduction (1 669)
Research (87 070)
Research & information: general (10 262)
Research Design (1 937)
Research methods (1 479)
Research, Industrial (1 495)
Responsibility (1 477)
Retail trade (2 264)
Revenue (3 350)
Revenue administration (2 932)
Revolutions (2 146)
Rhetoric (10 762)
Rhetoric, Ancient (1 786)
Right and left (Political science) (1 487)
Right of property (1 323)
Risk (1 746)
Risk assessment (4 011)
Risk Factors (2 547)
Risk management (7 622)
Rites and ceremonies (2 976)
Roads (3 927)
Robotics (5 499)
Robots (1 419)
Rock music (2 471)
Romance languages (1 997)
Romance Literatures (1 284)
Romans (1 289)
Romanticism (4 549)
Rousseau, Jean-Jacques (2 226)
Rule of law (1 586)
Runeberg, Johan Ludvig (2 942)
Ruotsi (3 894)
Ruotsin vallan aika (4 078)
Rural conditions (3 739)
Rural development (3 511)
Russia (3 193)
Russian language (1 712)
Russian literature (2 693)
Russland (2 201)
