Minutes of the meeting of the Otmoor trustees, at which Montagu Bertie, 5th Earl of Abingdon was present, 29 Feb. 1832, with a map of part of Otmoor, 1821, 1821, 1832. Papers of the Bertie family, Earls of Abingdon, MS. D.D. Bertie b. 9/3-4. Bodleian Libraries. https://archives.bodleian.ox.ac.uk//repositories/2/archival_objects/84944 Accessed August 11, 2020.