"a minutes walk away" ?
Stukeley's manuscript of Stonehenge as discussed above is in Cardiff !
BTW Other Stukeley manuscript material is held by Corpus Christi Cambridge, Freemasons Hall London, the Wiltshire Archaeological and Natural History Society Devizes Wiltshire, The Royal College of Surgeons, the Royal Society, the Society of Antiquaries, and the Welcome Institute.
VBB