- Savage, James, A Genealogical Dictionary of the First
Settlers of New England, showing three generations of those who came before 1692
(Boston: Little, Brown and Company, 1860-62.), 2:337, Los Angeles Public Library,
- Lena May Kongabel Benson, A history of Korngabel Family,
Written by Lena Kongable Benson in 1965 for Her Grandson, Loren R. Knox, needed
for college course.