A bundle of annotated typescript notes for, and texts of, lectures Strachan gave on topics other than sculpture and art, as follows:
- /1-2 Draft typescript and final version of a paper called 'Some aspects of 'Nonconformisme' in French literature', given by Strachan to the Oliver Prior Society on 6 January 1964.
- /3 Notes for a lecture on 'Book production and the author', given at the National Book League Members' Evening (undated).
- /4 Notes for a sermon given at Bishop's Stortford College in May 1966; Geoffrey Strachan notes that this was the only sermon his father was ever called upon to preach in the College's chapel.
- /5 Text of an untitled lecture on modern languages given to the Robert Taylor Society in Oxford (undated).