Various signatures by Donne in the Assembly Books of the Charterhouse, of which he became a governor in 1626. 1626-31.
*DnJ 4151: John Donne, Document(s)
Discussed in R.C. Bald, John Donne: A Life (Oxford, 1970), pp. 423-4, and in Robert C. Evans, ‘John Donne, Governor of Charterhouse’, John Donne Journal, 8 (1989), 133-50. A microfilm of the relevant Assembly Book is in the London Metropolitan Archives, reel number X056/006.