The great, never-ending dance of collectibles

The Duchess of Devonshire's estate goes on the block at Sotheby's end of the month. The lots include her library, which included substantial rare holdings including an inscribed one-of-fifty first printings of Evelyn Waugh's Brideshead Revisited.

The last of the Mitford sisters, Deborah (1920-2014) was a famed mid-century character in a family full of them.