I just finished looking through the list and haven't read many at all. I own a few others or have read some books by the listed authors - man I have a ways to go. Here is my progress:
Own but Haven't Read Yet: The Lady in the Tower by Jean Plaidy The Sunne in Splendour by Sharon Kay Penman The Autobiography of Henry VIII by Elizabeth George The Many Lives and Secret Sorrow of Joesphine B by Sandra Gulland Through a Glass Darkly by Karleen Koen Ahab's Wife by Sena Jeter Naslund
Have already read:
Fingersmith by Sarah Waters
The Girl with the Pearl Earring by Tracy Chevalier
The Other Boleyn Girl by Philippa Gregory
The Secret Diary of Anne Boleyn by Robin Maxwell
Own but Haven't Read Yet:
The Lady in the Tower by Jean Plaidy
The Sunne in Splendour by Sharon Kay Penman
The Autobiography of Henry VIII by Elizabeth George
The Many Lives and Secret Sorrow of Joesphine B by Sandra Gulland
Through a Glass Darkly by Karleen Koen
Ahab's Wife by Sena Jeter Naslund