ProQuest’s U.S. History collections feature rare, fragile and hard-to-find primary sources covering topics such as government and politics, colonization, slavery, military and war, industry and labor, social movements, arts and literature, diplomacy and international relations and more. Materials span video, audio, newspapers, documents, ebooks, magazines, correspondence and beyond, and exclusive resources like the Black Freedom Struggle in the United States website ensure that historically marginalized voices are uncovered.