Public domain photos

The image shows an old book with a black background and a picture of a bird on it. The text on the paper reads "Uni-uni-freiburg, de/digit lichtliche 1740-a/0005" and there are watermarks at the bottom of the image.

The image shows an old book with a black background and a picture of a bird on it. The text on the paper reads "Uni-uni-freiburg, de/digit lichtliche 1740-a/0005" and there are watermarks at the bottom of the image.Open in library