Cockburn, J.S.; King, H.P.F.; McDonnell, K.G.T., eds. (1969). "Schools: Harrow School". A History of the County of Middlesex: Volume 1, Physique, Archaeology, Domesday, Ecclesiastical Organization, the Jews, Religious Houses, Education of Working Classes To 1870, Private Education From Sixteenth Century. London: Victoria County History. pp. 299–302 – via British History Online.
charitycommission.gov.uk
register-of-charities.charitycommission.gov.uk
THE KEEPERS AND GOVERNORS OF THE POSSESSIONS, REVENUES AND GOODS OF THE FREE GRAMMAR SCHOOL OF JOHN LYON, WITHIN THE TOWN OF HARROW-ON-THE-HILL. "Charity number: 310033". register-of-charities.charitycommission.gov.uk. UK Government. Retrieved 6 May 2024.{{cite web}}: CS1 maint: multiple names: authors list (link)