Arabic Numerals

References to "any works or treatises supplying information on the history of the Arabic numerals" are requested by "E.N." p. 230. To the well chosen works enumberated by the querist, I shall add the titles of two valuable publications in my own collection: DICTIONNAIRE RAISONNÉ DE DIPLOMATIQUE—par dom de Vaines. *Paris*, 1774. 8°. 2 vol. ELÉMENTS DE PALÉOGRAPHIE, par M. Natalis de Wailly. *Paris*, Imprimerie royale, 1838. 4°. 2 vol. The former work is a convenient epitome of the *Nouveau traité de diplomatique*. The latter is a new compilation, undertaken with the sanction of M. Guizot. Its a…