This notebook formed part of the papers acquired from Mme Denis by Catherine II.
The manuscript was assembled in its present form by Wagnière, and the title is written in Wagnière’s hand.
This group of notebooks bound together contains several notebooks, whose precise number is difficult to ascertain, in which Voltaire wrote over many years. Besterman suggest a date range of 1735 to 1750 (OCV 81, p.29), which is probably roughly correct.