George ONSLOW (1784-1853). L.A.S., Clermont October 10, 1837, to his publishers [Ad. Catelin & Cie]; 2 pages in-8. Concerning the publication of his opera Guise [Guise ou les États de Blois, premiered at the Opéra-Comique on September 8, 1837]: "Your interest, like mine, is in the success of money, and you are more accustomed to such speculations than I am; so regulate this as you see fit, without losing sight of the fact that Guise is more a success of esteem than of vogue, and that Piquillo [by Hippolyte Monpou] can give it the coup de grâce. [...] 2500 fr. is an exorbitant price. Think again about the advisability of publishing the large score in this case. I agree with you that the piano score should not be considered. Do everything else for the best"...