Detail of "The Visions of Tondal" (Circa 1500), by a follower of Hieronymus Bosch.

Saul and the Witch of Endor by** **Jacob Cornelisz van Oostsanen, 1526.

Bible, England 13th century. Alençon, Bibliothèque municipale, ms. 56, fol. 250r.

All seen at the temporary exhibit called Unveiled: The Fantastic Bestiary at the Museo di San Marco in Florence.

I'm so excited to finally contribute to this sub - I've been lurking for a while ^^

St. Catherine of Siena besieged by demons by an unknown artist, c. 1500, tempera on panel. National Museum, Warsaw.

From the Isabella Psalter (c. 1308) - Image 62.

British Library, Add MS 36684

From Le Livre des Merveilles

'Trivulzio Book of Hours', Flanders ca. 1470.
Den Haag, Koninklijke Bibliotheek, SMC 1, fol. 164v.