jats:pA challenge has recently been made to the venerable tradition that the passage of Henry VIII's first act for suppressing monasteries (1536) was facilitated by the presentation in parliament of details of monastic sexual misconduct gathered during the royal visitation of the monasteries in 1535–6. This article, by following up clues missed in the evidence cited for that challenge, precisely identifies a now lost source, last sighted in the hands of John Bale, which casts important new light on the visitation and, it is argued, was very probably the exact document presented to parliament in 1536.</jats:p>