A comonplace book begun in summer 1928, containing mostly quotations from philosophical and theological works.

A comonplace book begun in July 1934, after John Baillie's return to Scotland, containing mostly quotations from philosophical and theological works.

A comonplace book no earlier than 1955, containing mostly quotations from philosophical and theological works.

A set of loose-leaf notes containing mostly quotations from poetry and philosophical and theological works.

A booklets of notes taken at 12 lectures in Ancient Philosophy at the University of Edinburgh.

5 booklets of notes and exercises in Honours Moral Philosophy at the University of Edinburgh.

8 booklets of notes taken at 91 lectures in Ancient Philosophy at the University of Edinburgh.

3 booklets of notes taken at 47 lectures in Moral Philosophy at the University of Edinburgh, with one booklet of excercises.

Letter from John Baillie to [David Morison] Ross, detailing/assessing the student life, philosophy and general character of Peter Ross Husband (deceased), and quoted at length in Ross's biography of Husband.

A notebook on Kantian philosophy compiled by John Baillie while at the University of Jena under Prof Dr Rudolf Eucken.