What has the author Christopher Sykes written?

Christopher Sykes (1907-1986) was a British writer and historian. He wrote extensively, but his most notable works were biographies, especially on historical figures related to his family's history and the British aristocracy. Here are some of his most prominent works:

Biographies:

* Nancy Astor: A biography of Nancy Astor, the first woman to sit in the British Parliament. (1972)

* The Second Mrs. Astor: A biography of Ava Alice Muriel Willing Astor, the second wife of William Vincent Astor. (1976)

* The 18th Century: A Study in the Life and Times of the British Aristocracy: A historical study of the British aristocracy during the 18th century. (1961)

* The Private Papers of Henry Ryecroft: A biography of Henry Ryecroft, a figure from his family history. (1962)

* The Last Man in Europe: A Biography of Lord Alfred Douglas: A biography of Lord Alfred Douglas, known for his relationship with Oscar Wilde. (1960)

Other works:

* The Green Man: A novel set in the early 20th century. (1977)

* The History of the English People: A collaboration with John Julius Norwich. (1980)

Sykes also wrote many articles and essays for various publications, including the *Spectator* and the *Daily Telegraph*.

It's worth noting that Sykes was a controversial figure, known for his outspoken views and his sometimes eccentric personality. He was also a close friend of several prominent figures of his time, including Evelyn Waugh and Nancy Mitford.