Debate between Prior and others in NZ Listener, following Prior's review "How things begun" of G. H. Duggan's book Evolution and philosophy on 9 Dec. 1949: (1) Duggan's reply to Prior's review on 23 December 1949, p. 5; (2)Letter by Reader on 30…
A photocopy of Prior's manuscript for a children/beginners’ logic textbook. A note on the back page says "Copyright - 1970 Mary Prior". It is believed that "First things in logic" was a byproduct of Prior's work on the textbook "The craft of formal…
A notice from Edward Lumley & Sons Ltd, saying that the insurance policy on the Poppers' house needed renewing. The policy was under Hennie's name. Included is a receipt for a cheque to the same company and the insurance cover.