This series contains a few personal items of Chase, a few letters written and/or received by her, the notebooks she kept during her study of Hebrew at Cambridge University and other miscellaneous items.

This series includes the manuscripts of a few of Chase's literary output, namely her novels and children's books, memoir and biblical studies.

Chase wrote extensively for popular magazines. Included in this series are the manuscripts of a few of the articles she wrote for this media. In addition, there are some speeches and other materials whose purpose is not clearly identified.

This series includes reviews by Mary Ellen Chase, arranged alphabetically by the author.