1. Cross as Tree of Life, San Clemente (Rome), 11 th c

3. Cross as Tree of Life, Pacino di Buonaguida, Florence, Academy Museum (14 th c)

4. Tree of Life and Death, Bertholdo Furthmeyer (15 th c)

5. Dream of Virgin Mary, Simone dei Crocefissi, The Society of Antiquaries of London (14 th c)

6. The Annunciation, Fra Angelico (15 th c)

7. Ghent Altarpiece, Hubert and Jan Van Eyck (15 th c)

8. Madonna and Child, Domenico Veneziano, National Gallery of Art, Washington(15 th c)

9. Medici Madonna, Roger Van der Weyden, Frankfurt am Main, Stadelsches Kunstinstitut (15 th c)

10. Madonna of the Victory, Andrea Mantegna, Paris, Louvre (15 th c)

11. Madonna of the Meadow, Raphael Vienna, Kunsthistorisches Museum (16 th c)

12. Boy Blowing Bubbles, Frans van Mieris Royal Picture Gallery Mauritshuis (17th c)

13. Rubens Peale With a Geranium, Rembrandt Peale, Washington, National Gallery of Art (19 th c)

14. Landscape with Charon, Joachim Patinir, Madrid, Prado Museum (15th c)

15. Mars, Très Riches Heures of the Duc of Berry, Limbourg Brothers (15 th c)

16. Basket with Fruit, Caravaggio, Mila, Pinacoteca Ambrosiana (16 th c)

17. Still Life, Sebastien Stoskopff (17 th c)

18. Vanity, Sebastien Stoskopff (17 th c)

19. Flower Still-Life With Curtain, Adrian van der Spelt, Chicago, Art Institute (17 th c)

20. The Creation and The Expulsion, Giovanni di Paolo, New York, Metropolitan Museum of Art (15 th c)