Venn, J.; Venn, J. A., eds. (1922–1958), Punnett, Reginald Crundall, Alumni Cantabrigienses (online ed.), Cambridge University Press, archived from the original on 2012-05-31, retrieved 2013-05-06
web.archive.org
Venn, J.; Venn, J. A., eds. (1922–1958), Punnett, Reginald Crundall, Alumni Cantabrigienses (online ed.), Cambridge University Press, archived from the original on 2012-05-31, retrieved 2013-05-06