| Author | Title | Place | Publisher | Year |
Format |
| Pannekoek, Anton | Marxism and Darwinism | Chicago | C.H. Kerr | 1912 | 58 p. |
| Parker, Alex | Organizing the Party for Victory over Reaction: Report Delivered at the National Conference of the … | New York | New Century Publishers | 1953 | 48 p. |
| Paul, William | Communism and Society | London | Communist Party of Great Britain | 1922 | 200 p. |
| Payne, Roger | Democratic Socialism | New York | Three Arrows Press | 1948 | 128 p. |
| Pepper, John | "Underground Radicalism" : An Open letter to Eugene V. Debs and to all honest workers within the Socialist Party | New York | Workers Party of America | 48 p. | |
| Perchik, Lev Mendelevich | Karl Marx | New York | Workers Library Publishers | 1934 | 63 p. |
| Perchik, Lev Mendelevich | Karl Marx | New York | International Publishers | 1934 | 64 p. |
| Piatnitsky, Osip Aronovich | Bolshevization of the Communist Parties by Eradicating the Social-Democratic Traditions… | Leicester | Co-operative Publishing Society of Foreign Workers in the U.S.S.R. | 87 p. | |
| Piatnitsky, Osip Aronovich | Communist Parties in the Fight for the Masses, The | Moscow | Co-operative Publishing Society of Foreign Workers in the U.S.S.R. | 1934 | 98 p. |
| Piatnitsky, Osip Aronovich | Communist Parties in the Fight for the Masses, The | New York City | Workers Library Publishers | 1934 | 95 p. |
| Piatnitsky, Osip Aronovich | Organisation of a World Party, The | London | Communist Party of Great Britain | 1928 | 94 p. |
| Piatnitsky, Osip Aronovich | Present Situation In Germany, The | New York | Workers Library Publishers | 1933 | 63 p. |
| Piatnitsky, Osip Aronovich | Twenty-One Conditions of Admission into the Communist International, The | New York | Workers Library Publishers | 1934 | 31 p. |
| Piatnitsky, Osip Aronovich | Twenty-One Points of the Communist International, The | New York | Workers Library Publishers | 1931 | 32 p. |
| Piatnitsky, Osip Aronovich | Work of the Communist Parties of France and Germany, The: And the Tasks of the Communists … | New York | Workers Library Publishers | 1930 | 78 p. |
| Piatnitsky, Osip Aronovich | World Communists in Action: the Consolidation of the Communist Parties and Why the Growing … | New York | Workers Library Publishers | 1930 | 64 p. |
| Piatnitsky, Osip Aronovich | World Economic Crisis, The | New York | Workers Library Publishers | 1920 | 122 p. |
| Pickstock, Frank | British Railways- The Human Problem | London | Fabian Society | 1950 | 36 p. |
| Pieck, Wilhelm | Freedom, Peace and Bread! The Activities of the Executive Committee of the Communist International | New York | Workers Library Publishers | 1935 | 103 p. |
| Pieck, Wilhelm | International Solidarity Against Imperialist War | New York | Workers Library Publishers | 1941 | 46 p. |
| Pieck, Wilhelm | We are Fighting for a Soviet Germany | London | Modern Books | 1934 | 95 p. |
| Pius XI, Pope | Atheistic Communism: Encyclical Letter of His Holiness | New York | Paulist Press | 1937 | 32 p. |
| Plekhanov, George Valentinovich | Art and Society | New York | Critics Group | 1937 | 94 p. |
| Plekhanov, George Valentinovich | Role of the Individual in History, The | New York | International Publishers | 1940 | 62 p. |
| Plumb, Glenn | Labor's Plan for Government Ownership and Democracy in the Operation of the Railroads: Based on Statements by Glenn e. Plumb before the U.S. Senate | Washington, D.C. | Plumb Plan League | 1919 | 32 p. |
| Pollak, Katherine Heilprin | Modern Industry: A Challenge to Workers | Katonah, New York | Brookwood | 1930 | 2 v. |
| Porter, Paul | The Commonwealth Plan | Chicago | Committee on Education and Research of the Socialist Party of the USA | 1934 | 31 p. |
| Potamkin, Harry Alan | The Eyes of the Movie | New York | International Pamphlets | 1934 | 31 p. |
| Price, Charles S. | Mussolini, is he the Antichrist? With Introductory Chapters on Nebuchadnezzar's Image | Seattle, Wash. | C. S. Price | 1929 | 101 p. |
| Pritt, D. N. | At the Moscow Trial | New York | International Publishers | 1937 | 31 p. |
| Puyallup, Local | Scientific Socialism Study Course | Chicago | C.H. Kerr | 1910 | 30 p. |
| Radek, Karl | Proletarian Dictatorship and Terrorism | Detroit, Mich. | The Marxian Educational Society | 1921 | 7-60 p. |
| Rajk, Laszlo | Laszlo Rajk and his Accomplices Before the People's Court | Budapest | 1949 | 319 p. | |
| Ranger, Jack | Next-- A Labor Party! | New York | Labor Action for the Workers Party and Socialist Youth | 1948 | 62 p. |
| Reclus, Elisee | Evolution and Revolution | Paris | 1909 | 32 p. | |
| Red International of Labor Unions | The Tasks of the International Trade Union Movement: Being the Resolutions and Decisions of the Third World Congress of the Red International of Labour Unions, Moscow, July, 1924 | London | National Minority Movement | 1924 | 90 p. |
| Reuben, William A. | To Secure Justice in the Rosenberg Case | New York | National Committee to Secure Justice in the Rosenberg Case | 1951 | 31 p. |
| Rheinland-konferenz | The Signs of Awakening: German Underground Speaks: the Peace Manifesto of the Rhineland Conference | New York City | The German American, Inc. | 1943 | 29 p. |
| Richards, Dave | Milk for Millions | New York | New York State Committee | 1937 | 45 p. |
| Richardson, N. A. | Introduction to Socialism | Chicago | C.H. Kerr | 1902 | 61 p. |
| Richardson, N. A. | Industrial Problems | Chicago | C.H. Kerr | 1910 | 229 p. |
| Richardson, Reed | American Labor Unions: An Outline of Growth and Structure | Ithaca, New York | New York State School of Industrial and Labor Relations, Cornell University | 1956 | 19 p. |
| Ricker, A. W. | Socialism in Action, What Socialists Want: What Socialists are Accomplishing Where in Power, … | Saint Louis, Mo. | The National Rip-Saw Publishing Company | 1912 | 30 p. |
| Riedmatten, Leon de | Le Miracle Russe | Versailles | Editions de l'Observateur | 1945 | 37 p. |
| Rochester, Anna | The Nature of Captalism | New York | International Publishers | 1946 | 96 p. |
| Rockefeller, John D. | The Colorado Industrial Plan | New York | author | 1916 | 94 p. |
| Rockman, Joseph | Broaden the Fight for Peace and Democracy! | New York | New Century Publishers | 1952 | 35 p. |
| Ross, Lloyd Maxwell | Labor in Australia | New York, San Francisco | American council , Institute of Pacific relations | 1943 | 47 p. |
| Ross, M. | A History of Soviet Foreign Policy | New York | Workers Library Publishers | 1940 | 79 p. |
| Rossi, Carlo | In the Dungeons of Mussolini | New York City | Italian Patronati to Aid the Political Prisoners of Italy | 1936 | 31 p. |
| Rubenshtein, M. I. | Science, Technology and Economics Under Capitalism and in the Soviet Union | Moscow | Co-operative Publishing Society of Foreign Workers in the U.S.S.R. | 1932 | 48 p. |
| Rudas, Ladislaus | Dialectical Materialism and Communism | London | Labour Monthly Pamphlets | 1934 | 43 p. |
| Rumanian Workers' Party | Documents Concerning Right Deviation in Rumanian Workers' Party | Bucharest | 1952 | 84 p. | |
| Ruskin, John | The Rights of Labour According to John Ruskin | Leicester | C. Merrick, Steam Printer | 189? | 15 p. |
| Russell, Charles Edward | Doing Us Good and Plenty | Chicago | Charles H. Kerr | 1914 | 172 p. |
| Russell, William Howard | Pictures of Southern Life, Social, Political, and Military | New York | J. G. Gregory | 1861 | 143 p. |
| Russia | Constitution (fundamental law) of the Union of Soviet Socialist Republics, adopted at the extraordinary eight Congress of the Soviets of U.S.S.R., December 5, 1936 | New York | International Publishers | 1937 | 48 p. |
| Russia | The New Soviet Constitution: [proposed draft] | New York | International Publishers | 1936 | 31 p. |
| Ruthenberg, Charles | The Workers (Communist) Party: What it Stands For, Why Workers Should Join | Chicago | Workers (Communist) Party | 1929 | 14 p. |
| Sacco-Vanzetti Defense Committee | The Story of the Sacco-Vanzetti Case Including an Analysis of the Trial … | Boston | The Committee | 1921 | 47 p. |
| Sawyer, Roland D. | The Making of a Socialist | Westwood, Mass. | The Ariel Press | 1911 | 82 p. |
| Sayers, Michael | The Great Conspiracy Against Russia | New York | Boni & Gaer | 1946 | 154 p. |
| Sayre, J. Woodrow | Labor and the Government: Changing Government Policies Toward Labor Unions | Ithaca, New York | New York State School of Industrial and Labor Relations, Cornell University | 1964 | 37 p. |
| Sayre, J. Woodrow | Labor and the Government: Changing Government Policies Toward Labor Unions | Ithaca, New York | New York State School of Industrial and Labor Relations, Cornell University | 1961 | 35 p. |
| Schappes, Morris U. | Daily Worker, Heir to the Great Tradition, The | New York | Daily Worker | 1944 | 30 [1]p. |
| Schappes, Morris U. | Resistance is the Lesson: the Meaning of the Warsaw Ghetto Uprising | New York | Jewish Life | 1947 | [13] p. |
| Scheu, Frederick | British Labor and the Beveridge Plan | New York | Island Press | 1943 | 128 p. |
| Schroeder, Theodore Albert | Free Speech for Radicals: Seven Essays | New York | 1912 | 81 p. | |
| Schuller, G. | Jim' Connolly and the Irish Rising of 1916 | Chicago | Daily Worker | 1926 | 29 p. |
| Senior, Walter H. | The Bankruptcy of Reform | New York | Industrial Union League | 1932 | 15 p. |
| Shachtman, Max | Lenin, Liebknecht, Luxemburg | Chicago | Young Workers League | 1977 | 32 p. |
| Shachtman, Max | Socialism, the Hope of Humanity | New York | Workers Party | 1945 | 23 p. |
| Sherwood, M. | The Soviet War on Religion | Blackfriars Press | 1930 | 45 p. | |
| Siegel, William | The Paris Commune: A Story in Pictures | New York | International Pamphlets | 1932 | 31 p. |
| Simons, A.M. | Class Struggles in America | Chicago | C.H. Kerr | 1910 | 64 p. |
| Simons, A.M. | Class Struggles in America | Chicago | C.H. Kerr | 1906 | 64 p. |
| Simons, A.M. | Class Struggles in America | Chicago | C.H. Kerr | 1903 | 32 p. |
| Simons, A.M. | Philosophy of Socialism, The | Chicago | C.H. Kerr | 1909 | 26 p. |
| Sinclair, J.E. | History and Economics | Chicago | C.H. Kerr | 1905 | 32 p. |
| Sinclair, Upton | Letters to Judd, an American Workingman | Pasadena, Calif. | author | 1932 | 64 p. |
| Sinclair, Upton | Singing Jailbirds: A Drama in Four Acts | Long Beach, Calif. | by the Author | 1924 | 95 p. |
| Small, Sasha | 20,000 Unknown Soldiers | New York | International Labor Defense | 1936 | 14 p. |
| Smironv, A.A. | Shakespeare: a Marxist Interpretation | New York | Critics Group | 1937 | 93 p. |
| Smith, Ferdinand | Report to the National Secretary to the Sixth Convention of the National Maritime Union of America | New York | The Union | 1947 | 112 p. |
| Smith, Vern Ralph | The Frame-Up System | New York | International Pamphlets | 1932 | 31 p. |
| Soans, R. G. | Will Ackroyd's Socialism | New York | P. F. Collier | 1892 | 2v.(284p.) |
| Social Economic Foundation | A Labor Party for the United States | New York | Social Economic Foundation | 1936 | 62 p. |
| Socialist Party (U.S.) | A Plan for America: Official 1932 Campaign Handbook of the Socialist Party | Chicago | The Socialist Party of America | 1932 | 127 p. |
| Socialist Party (U.S.) | Court Rulings Upon Indictments, Search Warrants, Habeas Corpus, Mailing Privileges, etc. Growing out of Alleged Offenses Against Draft and Espionage Acts | Chicago | Socialist Party | 54 p. | |
| Socialist Party (U.S.) | Crisis In the Socialist Party, The: Detroit Convention: Appeal by the Committee for the Preservation of the Socialist Party | New York | The Committee | 1934 | 8p. |
| Socialist Party (U.S.) | Declaration of Principles of the Socialist Party in the 1930 Congressional Campaign | New York | Socialist Party | 1930 | 8p. |
| Socialist Party (U.S.) | For a Socialist America: 1936 National Platform, Socialist Party: A Constructive Program, A Call to Action | Chicago | Socialist Party | 1936 | 6p. |
| Socialist Party (U.S.) | Heritage of Debs, The: The Fight Against War. | Chicago | Socialist Party National Headquarters | 1935 | 32 p. |
| Socialist Party (U.S.) | Intelligent Voter's Guide, The: Official 1928 Campaign Handbook of the Socialists Party | New York | The Socialists National Campaign Committee | 1928 | 310 p. |
| Socialist Party (U.S.) | National Congress of the Socialist Party | Chicago | Socialist Party | 1910 | 324 p. |
| Socialist Party (U.S.) | National Constitution, Declaration of Principles and Congressional Platform: As Adopted in Convention at Detroit, 1934. | Chicago | 1934 | 37 p. | |
| Socialist Party (U.S.) | 1944 Socialist Platform: Freedom for All! | New York | Socialist Party | 1944 | 2p. |
| Socialist Party (U.S.) | Socialist Handbook, 1937 | Chicago | Socialist Party | 1937 | 78 p. |
| Solomon, Charles | Karl Marx or Thomas Jefferson? A Debate on Individualism-Socialism. | New York | Political Science Pocket Library | 1931 | 30 p. |
| Soviet Union | Constitution (fundamental law) of the Union of Soviet Socialist Republics | New York | American Russian Institute | 1949 | 39 p. |
| Soviet Union | Constitution (fundamental law) of the Union of Soviet Socialist Republics | New York | National Council of American-Soviet Friendship | 1947 | 47 p. |
| Soviet Union | Constitution (fundamental law) of the Union of Soviet Socialist Republics: as amended and supplemented by the first, second, third, sixth, seventh and eighth sessions of the Supreme Soviet of the USSR | Washington | Embassy of the Union of Soviet Socialist Republics, Information Bulletin | 1945 | 31 p. |
| Soviet Union | Constitution (fundamental law) of the Union of Soviet Socialist Republics: as amended by the Supreme Soviet of the USSR on Feb. 25, 1947, on the recommendations of the Drafting Commission | Washington | Information Bulletin, Embassy of the Union of Soviet Republics | 1947 | 40 p. |
| Soviet Union | Constitution of the Union of Soviet Socialist Republics (proposed draft) | New York | International Publishers | 1936 | 31 p. |
| Soviet Union | Report on the Fourth Five Year Plan | Washington, D.C. | Informational Bulletin, Embassy of the U. S. S. R. | 1946 | 15 p. |
| Sovinformbiuro | Caught in the Act: Facts About U.S. Espionage and Subversion Against the U.S.S.R. | Moscow | Foreign Languages Publishing House | 1963 | 157 p. |
| Sovinformbiuro | Falsificators of History (an historical note): text of Communique issued February, 1948 | Washington | Information bulletin of the Embassy of the Union of Soviet Socialist Republics | 1948 | 61 p. |
| Sovinformbiuro | Falsifiers of History: Historical Survey | Moscow | Foreign Languages Pub. House | 1951 | 110 p. |
| Spargo, John | The Spiritual Significance of Modern Socialism | New York | B. W. Huebsch | 1911 | 94 p. |
| Sparks, N | The Struggle of the Marine Workers | New York | International Publishers | 1930 | 63 p. |
| Spier, Leonard | When the Sirens Blow: and Other Poems | New York | B. C. Hagglund | 1933 | 36 p. |
| Stalin, Joseph | A Letter to Ivanov | New York | International Publishers | 1938 | 15 p. |
| Stalin, Joseph | Defects in Party Work and Measures for Liquidating Trotskyite and other Double-Dealers: Report and Speech in reply to Debate at the Plenum of the Central Committee of the C.P.S.U. | Moscow | Co-operative Pub. Society of Foreign Workers in the U.S.S.R. | 1937 | 44 p. |
| Stalin, Joseph | For Victory and Enduring Peace | New York | Workers Library Publishers | 1944 | 15 p. |
| Stalin, Joseph | Foundations of Leninism | New York | International Publishers | 1939 | 127 p. |
| Stalin, Joseph | Foundations of Leninism | New York | International Publishers | 1932 | 128 p. |
| Stalin, Joseph | Foundations of Leninism. (Lectures delivered at the Sverdlov university in the beginning of April 1924) | London | Lawrence & Wishart | 1941 | 112 p. |
| Stalin, Joseph | J. V. Stalin on the Atomic Weapon; Interview Published in Pravda on October 6, 1951 | Washington | USSR Information Bulletin | 195u | 4p. |
| Stalin, Joseph | Lenin Heritage, The | New York | International Publishers | 1934 | 13 p. |
| Stalin, Joseph | Marxism vs. Liberalism: An Interview [between] Joseph Stalin [and] H.G. Wells | New York | International Publishers | 1935 | 23 p. |
| Stalin, Joseph | Mastering Bolshevism | New York | New Century | 1945 | 48 p. |
| Stalin, Joseph | Mastering Bolshevism | New York | Workers Library Publishers | 1937 | 62 p. |
| Stalin, Joseph | New Soviet Constitution, The | New York | International Publishers | 1937 | 30 p. |
| Stalin, Joseph | Political Report of the Central Committee of the Fifteenth Congress on the C.P.S.U. (B) on Dec 3, 1927 | Moscow | Foreign Languages Pub. House | 1950 | 143 p. |
| Stalin, Joseph | Questions Concerning the History of Bolshevism: A Symposium | Moscow | Co-operative Publishing Society of Foreign Workers in the U.S.S.R. | 1932 | 37 p. |
| Stalin, Joseph | Report to the Seventeenth Congress of the C.P.S.U.(B.) on the Work of the Central Committee: January 26, 1934 | Moscow | Foreign Languages Pub. House | 1951 | 129 p. |
| Stalin, Joseph | Road to Power, The | New York | International Publishers | 1937 | 47 p. |
| Stalin, Joseph | Soviet Union and World Peace, The | New York | New Century | 1935 | 14 p. |
| Stalin, Joseph | Soviet Union and World Peace, The | New York | New Century | 1946 | 48 p. |
| Stalin, Joseph | Stakhanov Movement in the Soviet Union, The | New York | Workers Library Publishers | 1935 | 22 p. |
| Stalin, Joseph | Stalin on the New Soviet Constitution | New York | International Publishers | 1936 | 30 p. |
| Stalin, Joseph | Stalin on the War and the Second Front in Europe | New York | Workers Library Publishers | 1942 | 15 p. |
| Stalin, Joseph | Stalin Speaks to the World | New York | Workers Library Publishers | 1941 | 14 p. |
| Stalingradskii traktornyi zavod imeni F. Dzerzhinskogo | The Dzerzhinsky Tractor Plant at Stalingrad: A Sketch of its Construction | Moscow | Co-operative Pub. Society of Foreign Workers in the U.S.S.R. | 1932 | 39 p. |
| Starbuck, Eric Arthur | Soviet Sports | New York | The National Council of American-Soviet Friendship | 1945 | 40p. |
| Starobin, Joseph Robert | Should Americans Back the Marshall Plan? | New York | New Century Publisher | 1948 | 23 p. |
| Stassova, H. | MOPR's Banners Abroad Report to the Third MOPR Congress of the Soviet Union | Moscow | Executive Committee of I. R. A. | 1931 | 39 p. |
| Steele, Al | Lenin, Liebknecht, Luxemburg | New York | Youth Publishers | 1934 | 30 p. |
| Stejaru, Lonel | The Truth About Romania | Detroit | "Romanul American" | 1945 | 31 p. |
| Stepankowsky, Vladimir | The Russian Plot to Seize Galicia (Austrian Ruthenia) | Jersey City, N.J. | The Ukrainian National Council | 1915 | 55 p. |
| Stevens, Andrew | New Opportunities in the Fight for Peace and Democracy: Main Report Delivered at the National … | New York | New Century Publishers | 1953 | 94 p. |
| Strachey, John | Why You Should be a Socialist | London | V. Gollancz Ltd. | 1938 | 96 p. |
| Strong, Anna Louise | Children of Revolution: Story of the John Reed Children's Colony on the Volga, which is as well a story of the whole great structure of Russia | Seattle | Pigott Prtg. Concern | 1926 | 99 p. |
| Strong, Anna Louise | Modern Farming -Soviet Style | New York | International Pamphlets | 1930 | 31 p. |
| Switon, John | Address before the American Federation of Labor Convention at Philadelphia, Pa, Dec.,1892 | New York | The American Federation of Labor | 1892 | 8p. |
| Symes, Lillian | Our American Dreyfus Case: A Challenge of California Justice | Los Angeles, CA | Inter-religious Committee for Justice for Thomas J. Mooney | 1935 | 48 p. |