Cain and Abel - the first two sons of Adam and Eve. According to the book of Genesis, Cain, a farmer, became jealous of Abel, a shepherd, when God accepted Abel's offering of animal sacrifice but rejected Cain' Mehr
Public domain image of a medieval town, city, street, buildings, 14th century, free to use, no copyright restrictions image - Picryl description.
Public domain scan of Dutch print from Metropolitan Museum of Art, free to use, no copyright restrictions - Picryl description
Crispijn de Passe the Elder (Netherlandish, Arnemuiden 1564–1637 Utrecht) Public domain photograph of 17th-18th century drawing, free to use, no copyright restrictions image - Picryl description
Crispijn de Passe the Elder (Netherlandish, Arnemuiden 1564–1637 Utrecht) Public domain photograph of 17th century Dutch drawing, free to use, no copyright restrictions image - Picryl description
Public domain photo of Dutch art print, 16th-17th century, free to use, no copyright restrictions image - Picryl description.