Gerhardt/Gerhards/Gerhartz/Geharz (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Distribution of the related surnames Gerhardt, Gerhards, Gerhartz and Geharz in Germany. Credit Ill./©: German Surname Atlas, vol. 6 Usage Restrictions This image may only be used in connection with the press release "Sixth volume of the German Surname Atlas released" issued by Johannes Gutenberg University Mainz on July 21, 2017. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.