Boston | Harvard University | Harvard | Harvard Business School | Boston University | Harvard Medical School | Harvard College | Harvard Law School | Boston College | Boston Celtics | Marylebone Cricket Club | Museum of Fine Arts, Boston | Lancashire County Cricket Club | Boston Bruins | The Boston Globe | Sierra Club | Boston Marathon | Boston Symphony Orchestra | club | Sgt. Pepper's Lonely Hearts Club Band | Club Brugge K.V. | Somerset County Cricket Club | Sport Club Corinthians Paulista | Glamorgan County Cricket Club | Boston Herald | Hampshire County Cricket Club | Nottinghamshire County Cricket Club | Richmond Football Club | Gloucestershire County Cricket Club | Cornwall County Cricket Club |
Williams was a member of the Congregational church, the freemasons, the American Law Institute, the Massachusetts Bar Association, Sigma Alpha Epsilon, the Harvard Club of Boston, the Union Club of Boston, the Brae Burn Country Club, and the Grange.