A catalogue of the genuine, entire and well-known collection of etchings and prints, by masters of the greatest eminence, purchased by Sir Edward Astley : Bart. of Mr. Arthur Pond, ... Which will be sold by auction, by Mr. Langford, at his house in the Great Piazza, Covent-Garden, on Thursday the 27th of this instant March 1760, and the eighteen following evenings. - Langford (1760)