The Gleam (ms drafts, incomplete, entitled 'The Visionary Gleam'; also outline of book, dated Oct 1921, and then entitled 'Divinity') [See also No 307]
The Sum of Things (incomplete outlines, notes and drafts for book entitled 'The Root of Things' or 'The Joy of Things' ultimately amended to 'The Sum of Things' commenced May 1937) [See also No 324]