The pictures of witches below come from four different traditions. The first picture is
Two Witches by Hieronymus Bosch.
The second picture is a painting, Witches in the Air by Francisco de Goya y Lucientes, from 1798.
The third picture is a modern approach to witches, Witch and Her Familiar by Boris Vallejo.
The fourth picture is a vintage Halloween postcard entitled Black Cat Witch from 1910s USA.