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.
Hecker Lied . Flugblatt mit einem Spottgedicht auf Hecker und die badische Revolution nach dem gescheiterten Aprilaufstand Scan eines Orginaldruckes Author PDold Friedrich Hecker Hecker Uprising
Page 2023 Free-images.com. All images are Public Domain