Image Credit: Oliver Twist by Charles Dickens by NDLA. Used Under CC BY-NC-SA.
Unpublished primary sources are original documents and objects created by individuals but not formally published. Unpublished materials are typically found in archives, libraries, and museums. While researching unpublished materials often requires a physical visit, many make them available online.
Published primary Sources include a wide range of publications, including first-person accounts, memoirs, diaries, letters, newspapers, statistical reports, government documents, court records, photographs, and more. Some of these materials were not published at the time of their creation but have subsequently been published in a collected volume (e.g. Andrew Bryson's Ordeal: An Epiloque to the 1798 Rebellion.)
Find published sources by using Library Catalogs, Research Guides, and published bibliographies. To find primary sources in catalogs try using the following strategies: