Date (happened)
  • 1968 (doubtful)
    Neville lectures catalog #502
  • 17 December 1965 (probable)
    lecture nid 1120 delivery claims d1 (catalog #306, 1965-12-16, doubtful, WHY-note arithmetic) and d3 (chrome dateline '12/17/65', probable, agent_asserted)

Lecture catalog #502 — text: HAVE