Catalogue of a Highly Important Assemblage of Ancient & Modern Pictures, from Different Private Collections, Including a Portion of the Collection of ... William Twopeny, Esq. ... : and Important Works of Hogarth, Gainsborough, Reynolds ... : which Will be Sold by Auction, by Messrs. Christie, Manson & Woods ... on Saturday, May 2, 1874, at on O'clock Precisely