| Rühle, Otto (1874-1943) |
R.S.D.L.P |
| R.S.D.L.P, The Fourth (Unity) Congress (April 10 to 25 [April 23 to May 8], 1906) |
R.S.D.L.P., All-Russian Fifth Congress (December 21 to 27, 1908 [January 3 to 9, 1909]) |
| R.S.D.L.P., Fifth Congress (April 30 to May 19 [May 13 to June 1], 1907) |
R.S.D.L.P., First Conference (December 12 to 17 (25–30), 1905) |
| R.S.D.L.P., First Congress (March 13 to 15 (25–30), 1898) |
R.S.D.L.P., Second Congress (July 17 - August 10, 1903) |
| R.S.D.L.P., Sixth Congress (July 26 - August 3, 1917) |
R.S.D.L.P., Third Congress (April 12 to 27 (25–10 May), 1905) |
| R.S.F.S.R. |
Rabier, Fernand (1855-1933) |
| Rabochaya Gazeta |
Rabochaya Mysl |
| Rabochevo Dyela, "Listok" |
Rabocheye Dyelo |
| Rabocheye Utro |
Rabochy Put |
| Rabotnitsa |
Racism |
| Racowitza, Janko von (-1865) |
Radek, Karl (1885 - 1939) |
| Radek, Karl (1885-1939) |
Radić |
| Radical Socialist Party [France] |
Radical-Socialist Party of France |
| Radicalism |
Radich, Stefan (1871-1928) |
| Radishchev, Aleksandr Nikolayevich (1749-1802) |
Radovanović, Ljubomir (Radić) (1887-1964) |
| Rahja, Eino A. (1886-1936) |
Rahja, Jukka A. (1887-1920) |
| Rahman, Shamsur (1929-2006) |
Railroad Workers Association [SFI] |
| Rajk, Lazslo (1909-1949) |
Rakosi, Matyas (1892-1971) |
| Rakovsky, Christian (1873-1941) |
Rakovsky, Christian Georgierich (1873-1941?) |
| Ramaswamy, B.M. Kadhir (1914-1995) |
Ran, Nazim Hikmet (1902-1963) |
| Ranke, Leopold von (1795-1886) |
Ransome, Arthur (1884-1967) |
| Rao, B. Mallik Arjun (c. 1920– 1966) |
Rao, M. Madhava |
| Rao, S.R. (?– 2008) |
Rao, Talipadi Rama (1923-present) |
| Rapallo Treaty |
Rappoport, Charles (1865-1941) |
| Rappoport, Charles (1865-1941) |
Rasputin, G. Y. (1872-1916) |
| Rate of Profit |
Rathenau, Walter (1867-1922) |
| Rationalism |
Rauer, Otto (1881-1938) |
| Rauf Orbay, Huseyin (1881-1964) |
Ravera, Camilla (1889-1988) |
| Ravesteyn, Willem van (1876-1970) |
Reşid Pasha, Mustafa (1800-1858) |
| Reactionary |
Reading (Althusser) |
| Real Concept (Psychology) |
Realisation (of Value) |
| Realism |
Reality |
| Reason |
Rech |
| Reciprocity |
Recognition |
| Red Aid |
Red Guards |
| Red International of Labor Unions (Profintern) |
Red International of Labour Unions |
| Red Republican |
Red Tape |
| Reed, Evelyn (1905-1979) |
Reed, John (1887-1920) |
| Reed, John (1887-1920) |
Rees, Alf G. [b. 1884) |
| Refet Pasha (Bele) (1881-1963) |
Reflection |
| Reformism |
Reich, Wilhelm (1897-1957) |
| Reich, Yakov (Thomas) (1886-1956) |
Reichenbach, Bernhard [Seemann] (1888-1975) |
| Reicher, Gustaw [Rwal] (1900-38) |
Reichstag |
| Reification |
Reiland, Edy (1896-1967) |
| Relations of Production |
Relative |
| Relativism |
Religion |
| Renaud Jean |
Renaudel, Pierre (1871-1935) |
| Renaudel, Pierre (1871-1935) |
Renner, Karl (1870-1950) |
| Renner, Karl (1870-1950) |
Renoult, Daniel (1880-1958) |
| Rent |
Repossi, Luigi (1882-1957) |
| Reproduction (Althusser) |
Republique Francaise, Journal Officiel de la |
| Reuter, Ernst (Friesland) (1889-1953) |
Reuter, Ernst [Friesland] (1889-1953) |
| Revisionism |
Revivalism |
| Revolt (1938 - 1941) |
Revolution (2003-present) |
| Revolutionary |
Revolutionary Age (1929-1932) |
| Revolutionary Age, The (1918-1919) |
Revolutionary Communist Party of India. |
| Revolutionary Defencism |
Revolutionary Military Committee of the Petrograd Soviet |
| Revolutionary Socialist Party of India |
Revolutionary Union Minority [France] |
| Revolutsionnaya Rossiya |
Rhein River |
| Rheinische Zeitung |
Rhodes i Cecil John (1853-1902) |
| Riboldi, Ezio (1878-1965) |
Ribot, Alexander (1842-1923) |
| Ricardo, David (1772-1823) |
Richter, Eugen (1838-1906) |
| Riehs, Jakob [b. 1882) |
Rieu, Roger (1896-1936) |
| Right |
Rigola, Rinaldo (1868-1954) |
| RILU |
Rios, Fernando de los (1879-1949) |
| Rizzi, Bruno (1901-1977) |
Roberts, Frederick Sleigh (Lord Roberts) (1832-1914) |
| Robeson, Paul Leroy (1898-1976) |
Robespierre, Maximilien (1758-94) |
| Robespierre, Maximilien (1758-94) |
Rochefort, Henri (1831-1913) |
| Rocker, Rudolf (1873-1958) |
Rodbertus, Karl Johann (1805-1875) |
| Rodichev, Fyodor Ivanovich (~1856 – ?) |
Rodney, Walter (1942-1980) |
| Rodzyanko, Mikhail Vladimirovich (1859 – 1924) |
Roland-Holst, Henriette (1869-1952) |
| Roland-Holst, Henriette (1869-1952) |
Role Model |
| Romanones, Count Alvaro (1863-1950) |
Romanov |
| Ronvroy, Claude Henri de |
Roosevelt, Theodore (1858-1919) |
| Roper, Gilbert Giles (1905-74) |
Roscher, Wilhelm (1817-94) |
| Rosdolsky, Roman (1898-1967) |
Rose, Frank Hubert (1857-1928) |
| Rose, Fred (1907-1983) |
Rosenberg, Arthur (1889-1943) |
| Rosenfeld, Kurt (1877-1943) |
Rosenfeld, Kurt (1877-1943) |
| Rosmer, Alfred (1877-1964) |
Rosmer, Alfred (1877-1964) |
| Rossbach, Gerhard (1893-1967) |
Rossoni, Edmundo (1884-1965) |
| Rote Fahne, Die |
Rote Fahne, Die |
| Rothschild |
Rothstein, Theodore Aronovich (1871-1953). |
| Rouble, Gold |
Rousseau, Jean-Jacques (1712-1778) |
| Roux, Jacques (d. January 20 1794) |
Rowbotham, Sheila (1943-) |
| Roy, Evelyn Trent (1892-1970) |
Roy, Haradhan (1926-present) |
| Roy, Karuna Kant (?– 1991) |
Roy, M. N. (March 21, 1887-January 25, 1954) |
| Roy, Manabendra Nath (1887-1954) |
Roy, Purnangshu K. |
| Roy-Mukherjee, Ajit Kumar |
Rozmirovich, Yelena (1886-1953) |
| RSDLP |
Rubel, Maximilien (1905-1996) |
| Rubinstein, Sergei (1889-1960) |
Rudé pràvo [Red Rights] |
| Rudas, Làszló (1885-1950) |
Rudnyànszky, Endre (1885-1943) |
| Rue Lafayette |
Ruge, Arnold (1802 - 1880) |
| Rupprecht von Bayern (1869-1955) |
Russell, Bertrand (1872-1970) |
| Russia |
Russian Civil War (1918-1922) |
| Russian Revolution (February - October 1917) |
Russian Social Democratic Labour Party |
| Russian Social Democratic Labour Party |
Russian Social-Democratic Labour Party (Congresses of) |
| Russian Socialist Revolutionary Party |
Russian Soviet Federated Socialist Republic |
| Russian Students in Tsarist Russia |
Russian Workers Federation of South America |
| Russkaya Gazeta (Russian Gazette) |
Russkaya Starina (Russian Antiquarian) |
| Russkaya VoIya (Russian Freedom) |
Russkaya Zhizn (Russian Life) |
| Russkiye Vedomosti (Russian Recorder) |
Russkoye Slovo (Russian Word) |
| Russo-Japanese War |
Rust, William (1903-1949) |
| Rutgers, Sebald Justinus (1879-1961) |
Ruthenberg, Charles (1882-1927) |
| Ruthenberg, Charles E. (1882-1927) |
Ryabushinski, Pavel Paviovich (1871- ) |
| Ryazanov, David B. (1870-1938) |
Rybacki, Stefan (1887-1937) |
| Rydygier, Aleksander Juliusz [Kamocki] (1892-1942) |
Rykov, Alexei (1881-1938) |
| Ryner, Han (1861-1938) |
|