- The Fairfaxes of England and America in the Seventeenth and Eighteenth Centuries, Including Letters From and to Hon. W. Fairfax, and His Sons
- Minnesota Explorers and Pioneers From A.D. 1659 to A.D. 1858
- Sir George Calvert, Created Baron of Baltimore: In the County of Longford, Ireland; and Projector of the Province of Maryland
- History of the Minnesota Valley: including the Explorers and pioneers of Minnesota
- The Earliest Contest in America on Charter-Rights