The Political Graveyard: Dukes County - A database of political history and cemeteries, with brief biographical entries from the 1700s to the present. - http://politicalgraveyard.com/geo/MA/DU.html
Cemeteries of Martha's Vineyard - Information on each of the known cemeteries on the island. - http://history.vineyard.net/cemetery/cemlist.htm
Dukes County Cemeteries - Topographical directory or listing of cemeteries in Dukes County (Martha's Vineyard) Massachusetts. - http://www.mass-doc.com/dukes_county_cemetery_guide.htm