Public domain photos

The image shows an old book with a black and white image of a man's face on it. The book is open, revealing text and numbers written on its pages. The man in the image has a serious expression on his face, and his eyes are focused intently on something in the distance.

The image shows an old book with a black and white image of a man's face on it. The book is open, revealing text and numbers written on its pages. The man in the image has a serious expression on his face, and his eyes are focused intently on something in the distance.Open in library