| Call number | Item |
| H | Social Sciences (Go to start of category) |
| HX | Socialism, Communism, Utopias, Anarchism (Go to start of category) |
| HX89 .W4 1974 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Prairie Fire: The Politics of Revolutionary Anti-Imperialism (San Francisco: Communications Co., c1974), by Weather Underground Organization (multiple formats at archive.org) |
| HX89 .W6 | What is the Communist Opposition? (New York: Workers Age Pub. Assn., ca. 1933), by Bertram D. Wolfe (multiple formats at archive.org) |
| HX89 .W62 | What is the Communist Opposition? (second enlarged edition; New York: Communist Party U.S.A. (Opposition), ca. 1933), by Bertram D. Wolfe (multiple formats at archive.org) |
| HX89 .W67 1924 | The Second Year of the Workers Party of America: Report of the Central Executive Committee to the Third National Convention, Held in Chicago, Ill., Dec. 30, 31, 1923 and Jan. 1, 2, 1924, by Workers Party of America Central Executive Committee (multiple formats at archive.org) |
| HX91 .C3 A3 | Report, by Joint Fact-Finding Committee on Un-American Activities in California and California Senate Fact-Finding Committee on Un-American Activities, contrib. by Jack B. Tenney (full serial archives) |
| HX91.C3 A5 1947 | Hearings Regarding the Communist Infiltration of the Motion Picture Industry: Hearings Before the Committee on Un-American Activities, House of Representatives, Eightieth Congress, First Session (Washington: GPO, 1947), by United States House Committee on Un-American Activities (multiple formats at archive.org) |
| HX91.T49 W43 | What the People of Texas Need: The Communist Program for the Lone Star State (ca. 1946), by Communist Party of the United States of America (Tex.) (page images at Pitt) |
| HX92 .M55 W3 | History of the Social-Democratic Party of Milwaukee, 1897-1910 (Illinois studies in the social sciences v. 28, no. 1; Urbana, IL: University of Illinois Press, 1945), by Marvin Wachman |
| HX92 .N5 D42 1948 | Eugene Dennis Indicts the Wall Street Conspirators (New York: National Office, Communist Party, 1948), by Eugene Dennis (PDF at flvc.org) |
| HX92 .R4 S8 1943 | The Socialist Movement in Reading, Pennsylvania, 1896-1936: A Study in Social Change (1943), by Henry G. Stetler (multiple formats at archive.org) |
| HX104.7.B68 A3 1999 | A Noble Cause Betrayed, But Hope Lives On: Pages from a Political Life, by John Boyd (HTML with commentary at socialisthistory.ca) |
| HX104.7 .W59 A3 2011 | Champagne and Meatballs: Adventures of a Canadian Communist (c2011), by Bert Whyte, ed. by Larry Hannant (PDF with commentary at AU Press) |
| HX107 .S7 | "Creeping Socialism" vs. Limping Capitalism (New York: Union for Democratic Socialism, ca. 1954), by Mark Starr (multiple formats at archive.org) |
| HX110.5 .A6 W64 1928 | Revolution in Latin America (New York: Workers Library Publishers, c1928), by Bertram D. Wolfe (multiple formats at archive.org) |
| HX114 .Z7 C6 | Strategy of the Communists: A Letter from the Communist International to the Mexican Communist Party (Chicago: Workers Party of America, ca. 1923), by Communist International Executive Committee, contrib. by Charles E. Ruthenberg (multiple formats at archive.org) |
| HX128.5 U54 | Intervention of International Communism in Guatemala (Washington: GPO, 1954), by United States Department of State |
| HX159 .Z5 H3 | Trotskyism and the Cuban Revolution: An Answer to Hoy (New York: Pioneer Publishers, ca. 1962), by Joseph Hansen (PDF at flvc.org) |
| HX173.5 .M35 | The Tricontinental Conference: A Declaration of War (Miami: Dist. by Truth About Cuba Committee, ca. 1966), by Luis V. Manrara (page images at Miami) |
| HX236 .H35 | Socialism in Western Europe (Headline Series #71; New York: Foreign Policy Association, 1948), by Herbert Heaton and Alvin Saunders Johnson (multiple formats at archive.org) |
| HX238.5 .C65 | Communism in Eastern Europe (Bloomington, IN and London: Indiana University Press, c1979), ed. by Teresa Rakowska-Harmstone and Andrew Gyorgy (HTML with commentary at Project MUSE) |
| HX238.5 .M37 | Eurocommunism: New Form of Reformism (1978), by Sam Marcy (HTML at workers.org) |
| HX238.5 .S73 1991 | The Dynamics of the Breakthrough in Eastern Europe: The Polish Experience (Berkeley: University of California Press, 1991), by Jadwiga Staniszkis, trans. by Chester A. Kisiel, contrib. by Ivan Szelyeni (HTML at UC Press) |
| HX239 .S74 1991 | After Marx, Before Lenin: Marxism and Socialist Working-Class Parties in Europe, 1884-1914 (Pittsburgh: University of Pittsburgh Press, c1991), by Gary P. Steenson (page images at Pitt) |
| HX239 .Z7 K57 | Communist Parties in Western Europe: Challenge to the West (Stanford: Hoover Institution, Stanford University, 1977), by Henry Kissinger (multiple formats at archive.org) |
| HX241 | Socialist Resistance (London, 2002-) (partial serial archives) |