- SubarquivoHEA - Headmasters
- SérieHEA/8 - John Buchanan
- DocumentoHEA/8/2 - Correspondence
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- ItemHEA/8/2/9 - A letter from JDB to Old Oakhmians
- ItemHEA/8/2/10 - A letter from JDB to Old Oakhmians
- HEA/8/2/11 - Correspondence between John Buchanan and Rev Austin Boggis
- HEA/8/2/12 - Correspondence between John Buchanan and Desmond Mangham
- ItemHEA/8/2/13 - A letter from John Buchanan to Old Oakhamians
- HEA/8/2/14 - Correspondence between John Buchanan and C.H. Gadney
- HEA/8/2/15 - Correspondence between John Buchanan and Alwyne Westmoreland
- HEA/8/2/16 - Correspondence between John Buchanan and Alwyne Westmoreland
- ItemHEA/8/2/17 - A letter from John Buchanan to Sandy Thompson
