Public domain photograph of 19th-century vintage card, free to use, no copyright restrictions image - Picryl description
Public domain photograph related to Germany in World War One, military conflict, free to use, no copyright restrictions image - Picryl description
Public domain photograph of a document related to World War One, free to use, no copyright restrictions image - Picryl description
Picryl description: Public domain image of a farm, farmer, agriculture, early 20th century, free to use, no copyright restrictions.