Bagley Wood was an extra-parochial tract of land adjoining the parish of Radley (of which it was a part in the Middle Ages). It was entirely woodland. See also Radley for details.
Wordie, R. (ed.), ‘Enclosure In Berkshire, 1485-1885’ (Reading, 2000) pp.119-121. Sephton, R.S., 'Thomas Pratt is shooting rabbits in Bagley Wood: an account of a dispute with an Oxford college over rights of common in a Berkshire wood, 1820-1856' (2000).