museums and institutions:
museums and institutions:
Attributed works:
13. The North Terrace, Windsor Castle, looking west, by Paul Sandby. c.1777. Pencil, pen and ink, watercolour and bodycolour, 36.5 by 53.5 cm. (Royal Collection).
Attributed works:
14. The Quadrangle, Windsor Castle, looking west, by Paul Sandby. c.1765. Pencil, pen and ink, watercolour and bodycolour, 30.5 by 52.2 cm. (Royal Collection).
Attributed works:
15. The Quadrangle, Windsor Castle, looking west, by John Piper. c.1941-44. Pencil, pen and ink, watercolour, bodycolour and pastel, 55 by 75.1 cm. (Royal Collection).
Attributed works:
16. The North Terrace, Windsor Castle, looking west, by John Piper. c.1941-44. Pencil, pen and ink, watercolour, bodycolour and pastel, 42.1 by 54 cm. (Royal Collection).
Attributed works:
17. The Quadrangle, Windsor Castle, looking east, by John Piper. c.1941-44. Pencil, pen and ink, watercolour, bodycolour and pastel, 57.5 by 76.2 cm. (Royal Collection).
Attributed works:
18. The Quadrangle from Engine Court, Windsor Castle, by John Piper. 1941/42. Pencil, pen and ink, watercolour, bodycolour and pastel, 41.3 by 55.6 cm. (Royal Collection).
Attributed works:
19. The Round Tower and the Upper Ward from the Quadrangle, Windsor Castle, by John Piper. 1941-44. Pencil, pen and ink, watercolour, bodycolour and pastel, 43.8 by 56.8 cm. (Royal Collection).
Attributed works:
20. Advance Gate and Castle Hill, Windsor Castle, by John Piper. 1941/42. Pencil, pen and ink, watercolour, bodycolour and pastel, 41.8 by 56.1 cm. (Royal Collection).
Attributed works:
21. The North Terrace and Brunswick Tower, Windsor Castle, by John Piper. c.1941-44. Pencil, pen and ink, watercolour, bodycolour and pastel, 42.6 by 55.1 cm. (Royal Collection).
Attributed works:
22. The Round Tower from the roof of St George's Chapel, by John Piper. c.1941-44. Pencil, pen and ink, watercolour, bodycolour and pastel, 40 by 54.3 cm. (Royal Collection).
Attributed works:
23. The Dean's Cloisters, St George's Chapel, Windsor, by John Piper. c.1941-44. Pencil, pen and ink, watercolour, bodycolour and pastel, 54.2 by 40.2 cm. (Royal Collection).
Attributed works:
24. Windsor town, railway and the Curfew Tower and Horseshoe Cloister, Windsor Castle, by John Piper. c.1941-44. Pencil, pen and ink, watercolour, bodycolour and pastel, 42.5 by 54 cm. (Royal Collection).
Attributed works:
25. Windsor Castle and Guildhall, by John Piper. 1941/42. Pencil, pen and ink, watercolour and bodycolour, 42.1 by 55.9 cm. (Royal Collection).
Attributed works:
26. Windsor Castle from the north east, by John Piper. 1941/42. Pencil, pen and ink, watercolour and bodycolour, 28.1 by 56.2 cm. (Royal Collection).
Attributed works:
27. The Gothic Ruin at Frogmore, by John Piper. c.1941-44. Pencil, pen and ink, watercolour and bodycolour, 42.1 by 56.2 cm. (Royal Collection).
Attributed works:
28. The ruins from Leptis Magna, Virginia Water, by John Piper. c.1941-44. Pencil, pen and ink, watercolour and bodycolour, 42.6 by 55.1 cm. (Royal Collection).