This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Frankfurt Am MainJohann Baptist HomannAbbildung der keyserlichen Freyen Reichs Wahl und Handelsstatt Franckfurt am Mayn mit ihrem Gebiet. en Frankfurt on the Main City and surroundings in the early th century the borders highly overdrawn by Johann Baptist Homann have been corrected in green according to Friedrich Bothe de Frankfurt