Roberdeau Buchanan

1839 – 1916

• An introduction to the differential calculus by means of finite differences
• Genealogy of the descendants of Dr. Wm. Shippen
• Genealogy of the McKean family of Pennsylvania
• Genealogy of the McKean Family of Pennsylvania
• Genealogy of the McKean family of Pennsylvania
• Genealogy Of The Mckean Family Of Pennsylvania, With A Biography Of The Hon. Thomas Mckean
• Genealogy of the McKean Family of Pennsylvania, with a Biography of the Hon. Thomas McKean
• Genealogy of the Roberdeau family
• Life of the Hon. Thomas McKean ..
• Observations on the Declaration of Independence
• Occasional verses
• Report on bridge construction, and inverted syphons, for supplying the city of Chelsea with water