Autograph Manuscript of his short story 'The Supreme Illusion' titled in this manuscript 'The Great Illusion' with autograph corrections and revisions, marked by the printer (at the head of the first page and with a casting mark on page 5) Creation dates:
Two letters to Lincoln Springfield of the 'London Opinion', (it is evident that the story was written for that journal) Creation dates: Marc 1911, April 1911