| Call number | Item |
| H | Social Sciences (Go to start of category) |
| HX | Socialism, Communism, Utopias, Anarchism (Go to start of category) |
| HX1 .L1313 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) The Labor Argus (partial serial archives) |
| HX1 .L26 | Labor Action (1940-1958) (partial serial archives) |
| HX1 .L3 | Labor Age (full serial archives) |
| HX1 .L44 | Left Turn (partial serial archives) |
| HX1 .L5 | The Liberator (US radical labor magazine, 1918-1924) (full serial archives) |
| HX1 .M212 | The Masses (full serial archives) |
| HX1 .M514 | The Militant (partial serial archives) |
| HX1 .M514 | New Militant, by Workers Party of the United States (full serial archives) |
| HX1 .M53 | The Melting Pot (St. Louis-based "magazine of protest", ran ca. 1913-1920) (partial serial archives) |
| HX1 .N23 | The Nationalist (Boston: Nationalist Educational Association, c1889-1891), ed. by Henry Willard Austin and John Storer Cobb (full serial archives) |
| HX1 .N35 | The New International (Marxist periodical running from the 1930s to the 1950s) (partial serial archives) |
| HX1 .N45 | New Masses (partial serial archives) |
| HX1 .N475 | The New Justice (some issues scanned from reprints; 1919-1920) (full serial archives) |
| HX1 .N5 | The New Nation, ed. by Edward Bellamy (partial serial archives) |
| HX1 .N57 | New Politics (New York based semiannual journal) (partial serial archives) |
| HX1 .N6 | The New Review (socialist magazine published in New York, 1913-1916) (full serial archives) |
| HX1 .N65 | The New York Communist, ed. by John Reed (full serial archives) |
| HX1 .N685 | News and Letters (full serial archives) |
| HX1 .O5 | The Ohio Socialist (partial serial archives) |
| HX1 .P3 | Partisan Review (full serial archives) |
| HX1 .P462 | People's World (partial serial archives) |
| HX1 .P57 | The Communist (successor of Workers Monthly and predecessor of Political Affairs; 1927-1944) (partial serial archives) |
| HX1 .P57 | The Labor Herald (Chicago: Trade Union Educational League, 1922-1924), by Trade Union Educational League (U.S.) (full serial archives) |
| HX1 .P57 | Political Affairs (ca. 2004-present; issue browsing appears no longer available but articles can be found via search) (partial serial archives) |
| HX1 .P57 | The Workers Monthly (full serial archives) |