| Call number | Item |
| H | Social Sciences (Go to start of category) |
| HX | Socialism, Communism, Utopias, Anarchism (Go to start of category) |
| HX86 .H14 1931 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) T. N. T. (Chicago: Tower Press, 1931), by Edwin Marshall Hadley (multiple formats at archive.org) |
| HX86 .H14 1931 | T. N. T. (second edition; Chicago: Tower Press, 1932), by Edwin Marshall Hadley (page images at HathiTrust) |
| HX86 .H7 | Recent Progress of the Socialist and Labor Movements in the United States (Chicago: Charles H. Kerr Co., 1907), by Morris Hillquit |
| HX86 .H74 1909 | Socialism in Theory and Practice (New York: Macmillan, 1909), by Morris Hillquit (multiple formats at archive.org) |
| HX86 .H747 1920 | Socialism on Trial (New York: B. W. Huebsch, c1920), by Morris Hillquit (multiple formats at archive.org) |
| HX86 .H75 | Socialism: Promise or Menace? (New York: Macmillan, 1914), by Morris Hillquit and John A. Ryan (multiple formats at archive.org) |
| HX86 .H75 1920 | Socialism: Promise or Menace? (New York: Macmillan, 1920), by Morris Hillquit and John A. Ryan (page images at HathiTrust) |
| HX86 .H777 | Socialism (New York: A. D. F. Randolph and Co., 1879), by Roswell D. Hitchcock |
| HX86 .H7772 | A Reply to Roswell D. Hitchcock, D.D. on Socialism, by a Socialist (New York: Charles P. Somersby, 1879) |
| HX86 .H9 | The Economics of Socialism (Boston: Small, Maynard and Co., c1921), by H. M. Hyndman (multiple formats at archive.org) |
| HX86 .H96 | The Future of Democracy (London: G. Allen and Unwin, c1915), by H. M. Hyndman (multiple formats at archive.org) |
| HX86 .I8 | Contemporary Marxian Political Movements in the United States, 1917-1939 (abridgement of PhD dissertation; 1942), by William Isaacs (multiple formats at archive.org) |
| HX86 .I8 | Contemporary Marxian Political Movements in the United States, 1917-1939 (full PhD dissertation, 2 volumes in 1; 1942), by William Isaacs (multiple formats at archive.org) |
| HX86 .J175 | The Philosophy of Communism (New York: New Century Publishers, 1963), by James E. Jackson (multiple formats at archive.org) |
| HX86 .J18351 1972 | The Invading Socialist Society (second edition, 1972), by C. L. R. James, F. Forest, and Grace Lee Boggs (HTML at marxists.org) |
| HX86 .J1848 | Trotskyism in the United States, 1940-47: Balance Sheet (first published 1947), by C. L. R. James, F. Forest, and Martin Harvey (HTML at marxists.org) |
| HX86 .J2 | Communism in America (New York: H. Holt and Co, 1879), by Henry Ammon James |
| HX86 .K57 | Is Plenty Too Much for the Common People? (second edition; San Gabriel, CA: F. H. Kirkpatrick, 1940), by George R. Kirkpatrick, illust. by Art Young |
| HX86 .K58 1916 | Think, or Surrender (Girard, KS: Appeal to Reason, c1916), by George R. Kirkpatrick (page images at HathiTrust) |
| HX86 .L123 | Labor and State Capitalism (New York: Labor Party, 1934) |
| HX86 .L17 | Socialism in Thought and Action (New York: Macmillan, 1920), by Harry W. Laidler (multiple formats at archive.org) |
| HX86 .L18 | Men Versus the Man: A Correspondence Between Robert Rives La Monte, Socialist, and H. L. Mencken, Individualist (New York: H. Holt, 1910), by Robert Rives La Monte and H. L. Mencken (multiple formats at archive.org) |
| HX86 .L48 | Facing Reality (Detroit: Correspondence Pub. Co., 1958), by Grace Lee Boggs, Cornelius Castoriadis, and C. L. R. James (page images at HathiTrust) |
| HX86 .L7 | Pages from Party History (New York: Workers Library Publishers, ca. 1929), by Jay Lovestone |
| HX86 .L86 | Plenty For All: The Meaning of Socialism (New York: The Worker's Party, ca. 1943), by Ernest Lund |