B-block staging entry validated for model fit. Imported from staging batch duell-thimm-b, source entry 243.
Gelli's notice confirms the 1818 Paris Didot issue, the Saint-Honoré / Manège Royal sale addresses, the 20 folded plates, and the introductory historical matter on the author's father and on Saint-Georges.
Vigeant 1882 adds the Saint-Honoré and Manège Royal sale addresses, and frames La Boëssière fils as laying the full groundwork later perfected in detail by Jean-Louis.