Dunkelberger, G. F., & Adams, E. E. S. 1. (1954). The Maurer family, Pennsylvania pioneers: A brief history of the family, with records of all known descendants of Jacob Maurer, 1791-1863, and his wife, Maria Polly Hilbisch, 1793-1861, of Snyder County, Pennsylvania ([1st ed.].). Seattle.

Dunkelberger, George Franklin, and Enid Eleanor Smith 1909- Adams. The Maurer Family, Pennsylvania Pioneers: A Brief History of the Family, With Records of All Known Descendants of Jacob Maurer, 1791-1863, and His Wife, Maria Polly Hilbisch, 1793-1861, of Snyder County, Pennsylvania. [1st ed.]. Seattle, 1954.

Dunkelberger, George Franklin, and Enid Eleanor Smith 1909- Adams. The Maurer Family, Pennsylvania Pioneers: A Brief History of the Family, With Records of All Known Descendants of Jacob Maurer, 1791-1863, and His Wife, Maria Polly Hilbisch, 1793-1861, of Snyder County, Pennsylvania. [1st ed.]. Seattle, 1954.