[1] William Wilson (mayor) - Wikipedia (2018-06-27 11:50:38 +09:00) <https://en.wikipedia.org/wiki/William_Wilson_(mayor)>
[2] Wilson, William Barbour – Dictionary of New Zealand Biography – Te Ara (2018-07-01 13:15:03 +09:00) <https://teara.govt.nz/en/biographies/1w32/wilson-william-barbour>