Date (happened)
  • May 1972 (probable)
    derived from the event's own title: "Neville closes his May 1972 lecture series"
  • 29 May 1972
    On 1972-05-25, passage 526465 says Neville will 'close on the 29th.'
Told / reported
25 May 1972
Lecture 27 has a certain exact delivery claim for 1972-05-25.