1.  WorldConnect / Ancestry World Trees (online at RootsWeb.com/Ancestry.com), including a file giving this transcription of our subject's will:

Co. of Westmoreland, VA, WILL OF GEORGE HARRISON, dated 2 Oct 1713: All my land to my sonns Thomas, George, John, William, James, Peter and Willoughby and their heirs to be equally divided. George and John to have their parts where they now live, and my son Willoughby to have his share where my now dwelling plantation is.  If any of my sons die without issue, their parts to be equally divided betwixt the rest.  In case any of my sons is minded to sell his part, he nor none of them shall sell to noe other person but to his brothers or brother who shall be willing to buy. My sons George and John have had a bed pott and pewter.  Each of the rest of my sons have so much and what remaineth to be equally divided betwixt them.  Thomas shall have a flock bed and my son Peter a flock bed and my sons William, James, and Willoughby shall have each a feather bed and furniture. Willoughby shall have the bed that I now lie upon with the green hangings and every one of my sons have what furniture belongeth to the beds.  Whereas George and Peter have flock beds, I give them all my geese to be equally divided.  What cattle and sheep I have will be equally divided among all my sons.  What horses or mares there is to be equally divided.  What household stuff to be equally divided among all my sons.  What hogs I have shall be equally divided among my sons.  What new goods is in my chest and trunk be equally divided between my sonns William, James, and Willoughby.  What wearing clothes I have to my son Thomas.  All my sons after my death shall all be free to work for themselves.  My body to be decently buried by my sons George and John Harrison, who I make Executor. George Harrison 25 Nov 1713, presented in court by his son George

2.  Participant in the HARRISON Y-chromosome DNA Surname Project at FamilyTreeDNA.