https://www.kentarchaeology.org.uk/books/sir-roger-twysden-1597-1672-a-re-appraisal-of-his-life-and-writings-1
Sir Roger Twysden 1597-1672 a Re-appraisal of his Life and Writings — Kent History & Archaeology
Petrie, S., 2006, 'Sir Roger Twysden 1597-1672 a Re-appraisal of his Life and Writings.' Kent ph.d.
sir roger twysdena reof hiskent historyappraisal