The "perfect crime" of Mr. Taft and Mr. Hartley. California : California CIO Council, July 1947

The Holt Labor Library Pamphlet and Subject File Collection (1902-2016; undated) contains pamphlets, manuscripts, correspondence, and ephemera. These materials were created by a wide variety of activist, political, and union organizations, activists, political leaders, labor leaders, theorists, and philosophers. The majority of these materials were created in the United States and are in English, however there are a number of materials from other countries - including Canda, China, and Great Britain - as well as material in other languages like Spanish, French, and Italian.

Some of the subjects of the pamhplets and other materials found in Series I. Anarchism, Communism, Marxism, and Socialism are: The Situationist International, Emma Goldman, the Libertarian League, Sacco and Vanzetti, Fidel Castro, Cuba, Fascism, Rosa Luxemburg, Che Guevara, Friederich Engels, Karl Marx, John Keracher, Peter Camejo, Cliff Conner, Eugene V. Debs, Daniel De Leon, Joseph Hansen, Rand School Press, and various Anarchist, Communist, Marxist, and Socialist organizations and parties.

Some of the subjects of the pamphlets and other materials found in Series II. Anti-War and Peace Movements are: Disarmament, the war in Iraq, Military Policies, Torture, Vietnam and related anti-war movements, and World War II.

Some of the subjects of the pamphlets and other materials found in Series III. Arts, Religion, Sciences, and Sports are: Environmentalism, Literary Criticism, Music History as well as Songbooks, Philosophy, Poetry, Psychology, and Theater. The lens with which these materials focus on these subjects range from class consciousness, racism and civil rights, activism, war and peace,labor, Communism, Socialism, Marxism, and social justice.

Some of the subjects of the pamphlets and other materials found in Series IV. Civil Rights are: Affirmative Action, Labor, Anti-Racism, Anti-Semitism, Liberation, different Civil Rights leaders, Feminism, Human Rights, History, Social Justice, and Socialism - all related to African Americans, Chicano/a/x and Latino/a/x folks, Native Americans, Gay and Lesbian folks, and Women.

Some of the subjects of the pamphlets and other materials found in Series V. Economics, Education, and Government are: Capitalism, Colleges and Universities, Student Activism and Movements, Mother Jones, Prisons and Prisoner Rights, and California Government and Economics.

Some of the countries and locations referenced in the pamphlets and other materials found in Series VI. Geographic Areas include, but are not limited to: Africa, Appalachia, Australia, Canada, China, Czechoslovakia, El Salvador, France, Germany, Great Britain, India, Ireland, Israel, the Middle East, the Phillipines, Puerto Rico, Venezuela, and Yugoslavia. The subjects found in this Series range from war, politics, economics, international relations, domestic disputes, and more.

Some of the pamphlets and other materials found in Series VII. Labor are: various labor unions uncluding the AFL-CIO, the IWW, the International Brotherhood of Teamsters, the United Food and Commercial Workers, the International Longshoremen's and Warehousemen's Union, the National Maritime Union, the United Mineworkers of America, the United Steelworkers of America, as well as general subjects like History, Labor Law, Unemployment, Wages, Strikes and other labor actions.

Some of the subjects of the pamphlets and other materials found in Series VIII. Soviet Union and the Russian Revolution are: Mikhail Gorbachev, Allexandra Kollontai, Vladimir Lenin, Joseph Stalin, the Moscow Trials, Leninism, Trotskyism, Stalinism, and Soviet Disarmament.

Some of the subjects of the pamphlets and other materials found in Series IX. Trotskyism are: the Fourth International, the Fourth Internationalist Tendency, Ernest Mandel, the Johnson-Forest Tendency, Leon Trotsky - including his histoy and biography and his speeches and writings - Socialist Action, the Socialist Workers Party in Australia, Great Britain and the United States, and the Spartacist League.