1

Rembrandt van Rijn (1606-1669), Saskia in Bed. Photograph: Ashmolean Museum

2

Raphael (1483-1520), Self Portrait. Photograph: Ashmolean Museum

3

Leonardo da Vinci (1467-1519), A Maiden with a Unicorn. Photograph: Ashmolean Museum

4

Lucas van Leyden (1489/94-1533), St Jerome. Photograph: Ashmolean Museum

5

Thomas Gainsborough (1727-1788), Study of a Woman, Seen from the Back. Photograph: Ashmolean Museum

6

Ignace-Henri Fantin-Latour (1836-1904), A Woman Sewing. Photograph: Ashmolean Museum

7

James Mallord William Turner (1775-1851) The Transept of Tintern Abbey. Photograph: Ashmolean Museum

8

Raphael (1483-1520), Studies of Two Apostles for the Transfiguration. Photograph: Ashmolean Museum

9

Walter Sickert (1860-1942), Noctes Ambrosianae. Pastel. Photograph: Ashmolean Museum

10

Gwen John (1876-1939), A Seated Girl. Photograph: Ashmolean Museum

11

Albrecht Dürer (1471-1528), View of the Cembra Valley. Photograph: Ashmolean Museum

12

Antoine Watteau (1684-1721), Head of a Boy facing Right. Photograph: Ashmolean Museum

13

Francisco José de Goya y Lucientes (1746-1828). Two Men Fighting. Photograph: Ashmolean Museum

14

John Everett Millais (1829-1896), The Race Meeting. Photograph: Ashmolean Museum

15

William Blake (1757-1827), Beatrice and Dante in Gemini, Amid the Spheres of Flame. Photograph: Ashmolean Museum

16

Michelangelo Buonarroti (1475-1564), Ideal Head. Photograph: Ashmolean Museum 

17

Caspar David Friedrich (1774-1840), Landscape with an Obelisk. Photograph: Ashmolean Museum 

18

Giovanni Francesco Barbieri, known as Guercino (1591-1666), The Mystic Marriage of St Catherine. Photograph: Ashmolean Museum

19

François Boucher (1703-1770), The Invention of Drawing. Photograph: Ashmolean Museum 

20

John Robert Cozens (1752-1797), Entrance to the Valley of the Grande Chartreuse in Dauphiné. Photograph: Ashmolean Museum

21

Peter Paul Rubens (1577-1640), A Nude Man seen partly from behind. Photograph: Ashmolean Museum

22

Giambattista Piazzetta (1682-1754), Head of a Youth. Photograph: Ashmolean Museum

23

Pieter Bruegel the Elder (1525/30-1569), The Temptation of St Anthony. Photograph: Ashmolean Museum 

24

John Ruskin (1819-1900), Study of a KingfisherPhotograph: Ashmolean Museum

25

Samuel Palmer (1805-1881), Self-portrait. Photograph: Ashmolean Museum