This is the title given to these two small books by J.L. Carr in his History of the Quince Tree Press (1987). In it he wrote: Likely additions are The Great Civil War, The Wars of the Roses, and Lettered and Unlettered Freedom Fighters
. They are not known to have been published.
Each small book is identified by an alphanumeric code: SBT for Small Book, Tracts, followed by three letters to identify the title and a number to identify the impression.