Lectures, talks and papers, n.d. [1928-1947]
- File 1: [untitled] lecture regarding the Franciscans, annoatated "Oriel College, Oxford" in Powicke's hand, n.d. [1928-1947]; 'The Crusaders', a lecture, n.d.
- File 2: short paper regarding Seldon, n.d.
- File 3: 'The Bible as the text-book of the Middle Ages', with related notes, n.d.
- File 4: [untitled] talk on the Montforts, with related notes, n.d.
- n.d. [1928-1947]