| Description | Includes:
-letter from Charles Aitken, to Mr Carstairs, dated 1 August 1923, concerning the purchase from Knoedler's of pictures by Edouard Manet and Pierre-Auguste Renoir for a new, national Modern Foreign Collection at the Gallery -four letters exchanged between Letitia Simpson and W.G. Constable, dated 10-14 February 1928, concerning acquiring photographs and pedigrees of works of art at Knoedler's -five letters exchanged between Simpson and Martin Davis, dated 3 February 1958-11 January 1960, concerning researching sale catalogues -letter from Michael [?], dated 15 January 1960, enquiring about sale references to pictures and drawings by Sandro Botticelli |