Personal Papers include correspondence and legal and financial records as well as records from organizations to which she belonged.
Research Materials include Powers’ correspondence with genealogists, legal records, and newspaper clippings. This series also contains a draft of The Indians of Isabella County by Ella V. Powers as well as notes, stories, maps, and illustrations. The bulk of the research material is raw data. The data includes genealogies, a listing of Civil War soldiers (including Indians) from Isabella County, a listing of early post offices and postmasters, treaties, records of original landowners, and a small collection of Fraser Family papers.
The third series consists of Photographs of Isabella County residents and pioneers as well as some unidentified photographs.
The Ephemera series contains items such as jewelry, eyeglasses, and a billfold; in most cases the items are undated and the owner is unknown.
There are four Scrapbooks which include recipes, cards, pictures, and letters.
The Genealogy Note Cards supplement and often repeat the information on the genealogy sheets in the Research Materials series.