Annie Heloise Abel was a history professor. After her marriage she was also known as Annie Heloise Abel-Henderson. Abel's papers may be found in the repository of Washington State University Libraries, in Pullman, WA. The collection includes notes, correspondence, newspaper clippings, manuscripts and other printed materials related to native policies of several English-speaking countries, as well as other historical subjects such as Russian history and women's suffrage. The collection is open for research use.