Place of publication: London
Collation: 27, [2] p. ; 20 p.
Notes: No. 68b in Stein checklist. Publisher's advertisements on unnumbered pages at the end. Part of the NSS pamphlet collection.
Place of publication: London
Collation: 50, [2] p. ; 18 p.
Notes: Publisher's advertisements on unnumbered pages at the end. No. 66d in Stein checklist. Part of the NSS pamphlet collection.