↑ FindAGrave.com, William Grover, Old First Parish Burying Ground, Rockport, MA, accessed 2 Jul 2018
↑ Massachusetts, Town and Vital Records, 1620-1988; Original data: Town and City Clerks of Massachusetts. Massachusetts Vital and Town Records. Provo, UT: Holbrook Research Institute (Jay and Delene Holbrook). 
Thank you to David Smith for creating WikiTree profile Grover-736 through the import of Smith Family Tree-2LAW_2013-04-28_01.ged on Apr 28, 2013. Click to the Changes page for the details of edits by David and others.