Warwickshire
Note on Tuttle Hill Mill, Caldecote; Note on Chesterton Mill per Derek Ogden.
Mill correspondence
Correspondence between Rex Wailes, Derek Ogden, and Arthur Oldham regarding UK mills.
Bourn Windmill, Cambridge
Correspondence and notes regarding work done on the mill for the Cambridge Preservation Society.
Ogden, Derek, millwright
Wick Windmill, Glamorgan
Correspondance regarding work done, including architectural drawings.
Ogden, Derek, millwright