C. Wells, Francis. |
The heart of Leonardo / Francis C. Wells ; foreword by HRH Prince Charles, the Prince of Wales. |
London : Springer, c2013. |
Clayton, Martin, 1967- |
Leonardo da Vinci : a life in drawing : 200 works from the Royal collection / Martin Clayton ; with a foreword by HRH the Prince of Wales. |
London : Royal collection trust, [2019] |