From J-stor or your library
1.Capt. Thomas Graves and some of his descendants (Wm. Montgomery Sweeney) Excellent research on Francis Graves along with references to deeds wills etc. Be sure and read Francis Graves will.
2.Colonial Churches on the Eastern Shore (George Carrington Mason) This has the map of old churches on the eastern shore. He seems to be incorrect on the date of the first real permanent church according to records it was 1636 not 1646.
3.Three Rectors of Hungars Church and Their Wives (Ms. PW Hiden).
4. Descendants of Colonial Clergy ( A Google Search will get this one) It has a great biography on Reverend Wm. Cotton.