- Losing a Parent: A Personal Guide to Coping With That Special Grief That Comes With Losing a Parent
- The Colonization of North America: 1492-1783
- Early Records of Gilpin County, Colorado, 1859-1861
- Early Records of Gilpin County, Colorado, 1859-1861; Volume 1
- A History of the Western Boundary of the Louisiana Purchase, 1819-1841