| Call number | Item |
| H | Social Sciences (Go to start of category) |
| HX | Socialism, Communism, Utopias, Anarchism (Go to start of category) |
| HX13 .A5 1907 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Report of the Socialist Labor Party of the United States of America to the International Congress Held in Stuttgart, August 18-25, 1907 (1907), by Socialist Labor Party |
| HX13 .A5 1910 | Bericht der Russischen Sozial-Revolutionaren Partei an den Internationalen Sozialistenkongress zu Kopenhagen, 28 August - 3 September 1910 (in German; 1910), by Partiia sotsialistov-revoliutsionerov (multiple formats at archive.org) |
| HX13 .A5 1910 | Report of the Revolutionary Socialist Party to the Socialist Congress at Copenhagen, August-September, 1910 (1910), by Partiia sotsialistov-revoliutsionerov (multiple formats at archive.org) |
| HX13 .A5 1919 | Der Geist der Internationale in Bern (in German; ca. 1919), by John Wesley De Kay (multiple formats at archive.org) |
| HX13 .A5 1919 | Manifesto and Governing Rules of the Communist International: Adopted by the Congress of the Communist International at Moscow, March 2-6, 1919, and Signed by Comrades C. Rakovsky, N. Lenin, M. Zinovjev, L. Trotzky, and Fritz Platten (ca. 1919), by Communist International (multiple formats at archive.org) |
| HX13 .A5 1919 | The Spirit of the International at Berne (1919), by John Wesley De Kay (multiple formats at archive.org) |
| HX13 .A5 1920 | The 2nd Congress of the Communist International as Reported and Interpreted by the Official Newspapers of Soviet Russia: Petrograd-Moscow, July 19-August 7, 1920 (Washington, DC: GPO, 1920), by Communist International, ed. by United States Department of State |
| HX13 .A5 1921 | Theses and Resolutions Adopted at the Third World Congress of the Communist International (June 22nd-July 12th, 1921) (New York: Contemporary Publishing Assoc., 1921), by Communist International. Congress |
| HX13 .A5 1924 | Fifth Congress of the Communist International: Abridged Report of Meetings Held at Moscow June 17th to July 8th, 1924 (London: Pub. for the Communist International by the Communist Party of Great Britain, ca. 1924) (page images at HathiTrust; US access only) |
| HX13 .C6 1922 | Resolutions and Theses of the Fourth Congress of the Communist International, Held in Moscow, Nov. 7 to Dec. 3, 1922, by Communist International (multiple formats at archive.org) |
| HX13 .C76 1916 | Seconde Conférence Socialiste Internationale de Zimmerwald, Tenue a Kienthal (Suisse) du 24 au 30 Avril 1916 (in French; Paris: Comite pour la Reprise des Relations Internationales, ca. 1916), contrib. by Robert Grimm (multiple formats at archive.org) |
| HX13 .I62 1900 | Report of the Delegates of the Social Democratic Party of the United States of America to the International Socialist Congress, Paris, 1900, by Social-Democratic Party of America (multiple formats at archive.org) |
| HX13 .I62 1910 | Report of Socialist Party Delegation and Proceedings of the International Socialist Congress at Copenhagen, 1910 (also includes program from Second International Conference of Socialist women), contrib. by May Wood Simons (multiple formats at archive.org) |
| HX13 .I62 1910 | Report of the Socialist Women of Greater New York to the International Socialist Congress, Copenhagen, Denmark, August 28th-September 4th, 1910, by Socialist Women of Greater New York, contrib. by Anna B. Touroff |
| HX13 .L3 1919 | The International at Lucerne, 1919: The Resolutions, the Provisional Constitution (London: Labour Party, 1919), by Labour and Socialist International |
| HX13 .L3 1925 | Second Congress of the Labour and Socialist International, at Marseilles, 22nd to 27th August, 1925 (London: Labour Party, 1925), by Labour and Socialist International |
| HX13 .P6 1920 | The Workers' International (London: Swarthmore Press; New York: Harcourt, Brace and Howe, 1920), by Raymond Postgate |
| HX13 .P6 1921 | The Workers' International (London: Swarthmore Press, Labour Pub. Co., 1921), by Raymond Postgate (page images at HathiTrust; US access only) |
| HX13 .R49 1938 | A New Hope for World Socialism: The Resolutions Adopted at the Revolutionary Socialist Congress, Paris, Feb. 19th-25th, 1938, Together with the Introductory Speeches (London: International Bureau for Revolutionary Socialist Unity, ca. 1938) (multiple formats at archive.org) |
| HX15 | "Jim" Connolly and the Irish Rising of 1916 (Little Red Library #11; Chicago: Daily Worker Pub. Co., ca. 1926), by G. Schuller |
| HX15 .P4 | The Socialist Almanac and Treasury of Facts ("vol. 1 no. 1" appears to be the only issue; New York: Socialist Labor Party, 1898), by L. Sanial |
| HX15 .R3 1964 | House Un-American Activities Committee: Bulwark of Segregation (Los Angeles: National Committee to Abolish the House Un-American Activities Committee, 1964), by Anne Braden (PDF at crmvet.org) |
| HX15 .S593 | The Socialist Register (partial serial archives) |
| HX15 .V35 | Agents of Peace (New York: Hour Publishers, ca. 1951), by Albert Eugene Kahn (page images at flvc.org) |
| HX19 .B76 1939 | Theory as a Guide to Action (New York: Workers Library Publishers, 1939), by Earl Browder (PDF at flvc.org) |