- FondsSJCR - The Records of St John's College
- SubfondsSJES - Estates
- Series2 - Estates and manors
- Subseries16/BHB - Broomhall and appurtenances (Bray, Chawridge, Chobham, Egham, Windlesham, Winkfield, Windsor), Berkshire, Wiltshire and Surrey
- Sub-sub-series2 - Deeds: Broomhall and associated estates up to its acquisition by the College
- Sub-sub-sub-series10 - Windsor and Windsor Forest
- File3 - Deeds: Coworth [Cuworthe], parish of Windsor
- Item1 - Grant: Thomas, son of Clemencia de Chatbeham to John Surturn, all his right and claim in land in Cuwurthe
- Item2 - Grant: Walter de la Rude to Thomas the clerk, land in Coworthe (elsewhere Cuworthe)