The material covered in this thirty-four volume series includes essentially everything of interest to researchers studying the Mayflower passengers, the first few generations of their progeny, and others who settled in the many towns they established in southeastern Massachusetts. The volumes in this series contain extensive transcriptions of original records, as well as compiled genealogies, and related historical articles. Volume XII contains: editorial notes on family names: Sparrow, Alden, Baxter, Eaton, Hopkins-Smith, Tinkham, White; the diary of Jabez Fitch Jr.; gravestone records for: East Middleborough, Halifax, Marshfield, Middleborough, South Wellfleet, Truro, Wellfleet, and West Yarmouth, Massachusetts; church records for: Brewster, Eastham, Harwich, Orleans, and Plymouth; numerous deeds, grantors and grantees; numerous wills, inventories and settlements of estates; vital records of: Barnstable, Brewster, Chatham, Dennis, Duxbury, Eastham, Halifax, Harwich, Marshfield, Middleborough, Orleans, Plymouth, Provincetown, Rochester, Truro, Wellfleet, and Yarmouth, Massachusetts; and much more. Indices to subjects, persons and places enhance the text.