The Proven Ancestry of Charles Gehling & John B. Leist of Manitowoc County, Wisconsin and Baden, Germany by Steven C. Gehling (0740454404 9780740454400 0-7404-5440-4)
The Proven Ancestry of Charles Gehling & John B. Leist of Manitowoc County, Wisconsin and Baden, Germany by Steven C. Gehling (0740454412 9780740454417 0-7404-5441-2)
