Variety of primary sources from the 15th to the 21st centuries. Includes 19th Century UK Periodicals; 19th Century US Newspapers; Eighteenth Century Collections Online (ECCO); The Making of the Modern World: The Goldsmiths-Kress Library of Economic Literature, 1450-1850; 17th and 18th Century Burney Collection Newspapers; Archives Unbound; Times Digital Archive; Illustrated London News Historical Archive; Sunday Times Digital Archive; American Civil Liberties Union Papers, 1912-1990; Archives of Sexuality & Gender; Archives Unbound; Associated Press Collections; British Library Newspapers; Sabin Americana, 1500-2013; Religions of America.