From the Robin Catalogue:
A. MS., G-1901-4, pp. 1-263 (continuous although there are no pp. 35, 137, 191), variant p. 15, a typed copy (with marginal corrections by CSP) and a lengthy (6 pp.) “Note on Collections” inserted at p. 52.
Published as 7.164-255, with the exception of 7.182n7, which is from the Lowell Lectures of 1903 (Lecture VIII), and 7.220n18, which is from MS. 691.
Partially (the first half of the document) published as EP 2:75-114.