| Call number | Item |
| H | Social Sciences (Go to start of category) |
| HX | Socialism, Communism, Utopias, Anarchism (Go to start of category) |
| HX276 .R4 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Marxismus, Krieg und Internationale: Kritische Studien uber Offene Probleme des Wissenschaftlichen und des Praktischen Sozialismus in und Nach dem Weltkrieg (in German; Stuttgart: J.H.W. Dietz, 1918), by Karl Renner (multiple formats at archive.org) |
| HX276 .S17 | Kapitalismus und Socialismus: mit Besonderer Rücksicht auf Geschäfts- und Vermögensformen (in German; Tübingen: H. Laupp, 1870), by A. Schäffle |
| HX276 .Z4 | Der Weg zum Sozialismus (in German; ca. 1919), by Wally Zepler |
| HX279 .D2 | German Socialism and Ferdinand Lassalle; A Biographical History of German Socialistic Movements During This Century (London: S. Sonnenschein and Co.; New York: C. Scribner's Sons, 1899), by William Harbutt Dawson |
| HX288 .C86 1887 | Cuore e Critica (partial serial archives) |
| HX289.7 .C67 M66 1910 | Andrea Costa e l'Internazionale (in Italian; Rome: G. Tuzzi, 1910), by Carlo Monticelli (page images at HathiTrust; US access only) |
| HX291 .L3 | Essays on the Materialistic Conception of History, by Antonio Labriola (HTML at marxists.org) |
| HX291 .L34 | Socialism and Philosophy, by Antonio Labriola, trans. by Ernest Untermann (HTML at marxists.org) |
| HX311.5 .W38 | After Trotsky What Next? An Address Delivered Oct. 13, 1940, at the Labor Temple, New York (Brooklyn: Committee for the Preservation of the Jews, 1940), by Harry Waton (multiple formats at archive.org) |
| HX312 .P28 | Russia: Report of the Russian Socialist Revolutionary Party to the International Socialist Congress, Amsterdam, 1904 (London: Twentieth Century Press, 1904), by Partiia sotsialistov-revoliutsionerov (page images at HathiTrust) |
| HX312 .T75 T763 1937 | Trotsky (Wichita, KS: Defender Publishers, c1937), by A Former Russian Commissar (multiple formats at archive.org) |
| HX312 .Z499 | Leninism or Trotskyism (Chicago: Pub. for the Workers Party of America by the Daily Worker Pub. Co., 1925), by Grigory Yevseyevich Zinovyev, Joseph Stalin, and Lev Borisovich Kamenev, contrib. by Alex Bittelman |
| HX313 .B7813 | Programme of the World Revolution (Glasgow: Socialist Labour Press, 1920), by Nikolaĭ Bukharin |
| HX313 .S464 | Genesis of Trotskyism (originally published 1933 as "Ten Years: History and Principles of the Left Opposition"), by Max Shachtman (HTML at marxists.org) |
| HX313 .S464 1933 | Ten Years: History and Principles of the Left Opposition (New York: Pioneer Publishers, 1933), by Max Shachtman |
| HX313 .T46 1945 | Russia: Promise and Performance (Freedom for All pamphlet #6; New York: Socialist Party, 1945), by Norman Thomas (PDF at flvc.org) |
| HX313.T69 B76 1937 | Trotskyism Against World Peace (New York: Workers Library Publishers, 1937), by Earl Browder (PDF at flvc.org) |
| HX313 .T852 1918 | Sovi͡etskai͡a Vlastʹ i Mezhdunarodnyĭ Imperīalizm : Lekt͡sīi͡a, Prochitannai͡a v Moskvi͡e 21 Apri͡eli͡a 1918 g. (in Russia; St. Petersburg: Izd-vo Petrogradskago sovi͡eta rab. i kr. arm. deputatov, 1918), by Leon Trotsky (page images at HathiTrust; US access only) |
| HX313 .W67 1933 | Is the Stalin General Line Correct? (1933), by Workers Communist League (U.S.) (multiple formats at archive.org) |
| HX314 .L418 | The Proletarian Revolution and Kautsky the Renegade (Detroit: Marxian educational society, ca. 1920), by Vladimir Ilʹich Lenin (page images at HathiTrust) |
| HX314 .L56 | State and Revolution, by Vladimir Ilʹich Lenin (HTML at marxists.org) |
| HX314 .M38 | The State and the Socialist Revolution (New York: International Review, 1938), by L. Martov, trans. by Herman Jerson (multiple formats at archive.org) |
| HX314 .P73 Z8 | G. V. Plekhanov (Vmiesto Riechi na Mogilie) (in Russian; New York: Russian Socialist Federation, ca. 1918), by Grigory Yevseyevich Zinovyev (page images at HathiTrust) |
| HX314 .R11 | The Development of Socialism From Science to Action (Chicago: Communist Party of America, n. d.), by Karl Radek (multiple formats at archive.org) |
| HX314 .S75 | The Theory and Practice of Leninism (London: Communist Party of Great Britain, 1925), by Joseph Stalin (page images at HathiTrust; US access only) |