Drafts, one apparently final, with attached title page and table of contents. Two apparently full drafts are in loose sheets, with numerous insertions, deletions and with significant variations from final draft. One draft, though similar to final draft, is incomplete. Two drafts vary from final draft but duplicate each other. There are other fragmented drafts. Typescript, Typescript (carbon), and Typescript (photocopy) with autograph notations. Circa 171 pages