Letter translated by Peter Ruffner from Kurt Gunther. Kurt states there are not records related to Peter Ruffner being a citizen of Hannover, but that he could look for information about his possible immigration to Hannover by contacting the Hannover archives.
Ruffner, Peter, "Letter from Kurt Gunther to Peter Ruffner - June 6, 1973" (1973). Ruffner Family History Records. 41.