1 page typescript [carbon], “At present, town-planning is determined by…”

1 page typescript [carbon], “Sigmal”

Page 8 typescript [carbon], “Contributions to the Sigma Portfolio/Prefatory Note”

1 page autograph, “The Original Dictionary or Tactical (1967) Lexicon” title page

2 page autograph, “Sigma People Pass-Round Newsletter” by Edward Milner

Originally housed in an unmarked green envelope