Adam Matthew publishes unique primary source collections from archives around the world. AM Explorer provides a single point of access to hundreds of thousands of digital primary sources in the form of letters, diaries, rare books, newspapers, periodicals, maps, artworks, films, oral histories, government records, and much more. Collections are sourced from hundreds of different archives around the world, and span the 15th – 21st centuries. The collections cover a broad range of topics in the humanities and social sciences including: Area Studies, Cultural Studies, Empire and Globalism, Ethnic Studies, Gender and Sexuality, History, Literature, Politics, Theatre, War and Conflict. In addition, the portal provides a vast range of secondary sources and contextual tools that can be used for teaching and research.