Date (happened)
between 28 April 1967 and September 1967
(probable)
passage 543498 (nid 1762): 'it's Monday and Friday for another month, closing the last Friday in April. Then we'll be gone until September.'
Told / reported
13 March 1967
delivery claims on lecture nid 1762: catalog #715 and an independent chrome byline '3/13/67', both agreeing 1967-03-13.