Here are some of her most notable works:
Historical Fiction:
* The Patriot's Daughter (1943): A story about a young woman who spies for the Continental Army during the American Revolution.
* The King's Secret (1949): A romance novel set during the French and Indian War.
* The Valley of the Sun (1950): A novel about the life of a woman living in the American Southwest in the early 1800s.
Historical Non-Fiction:
* The Early Settlers of Montgomery County, Pennsylvania (1929): A genealogy of the early settlers of Montgomery County.
* The History of the Society of the Cincinnati in the State of Pennsylvania (1930): A detailed account of the Society of the Cincinnati, an organization of officers who served in the American Revolutionary War.
* The Pennsylvania German Pioneers (1934): A book on the history of German immigration to Pennsylvania.
* The Pennsylvania Dutch and Their Customs (1938): A collection of stories and folklore about the Pennsylvania Dutch.
Other Works:
* The Love Letters of General Washington (1945): A collection of letters written by George Washington to his wife, Martha.
It's important to note that the availability of some of these books may be limited due to their age and publication history.
In addition to her published works, Blanche J. Dearborn also wrote numerous articles and essays for historical journals. She was a dedicated researcher and a respected authority on early American history.