From the Robin Catalogue:
A. MS., notebook, G-1903-2a, pp. 2-92 (pagination is somewhat irregular but the text is continuous).
Volume I. Published, in part, as 5.590-...
Robin Catalogue:
A. MS., G-c. 1896-3 [sup(2)G-c.1896-3], pp. 1-47.
Published, in part, as 1.43-125. Unpublished: on blocking the path of inquiry; Ockham’s maxim and...