ProQuest History Vault This link opens in a new windowProQuest History Vault is a collection of digitized letters, papers, photographs, scrapbooks, financial records, diaries, and many more primary source materials taken from the University Publications of America (UPA) Collections. ZSR Library provides access to the following modules: NAACP Papers: Branch Department, Branch Files, and Youth Department Files; NAACP Papers: The NAACP's Major Campaigns--Education, Voting, Housing, Employment, Armed Forces; Slavery, the Slave Trade, and Law and Order in 19th Century America (1636-1880); Slavery and the Law (1775-1867); Workers, Labor Unions, and the American Left in the 20th Century: Federal Records.