| Description | The material in this series was scattered throughout Simpson's archive and was brought together during the process of cataloguing because of its varied nature. Much of it was created by staff at M. Knoedler & Co's London office and includes:
-publicity material for the company
-correspondence
-information about pictures
-contact details for clients, dealers, restorers, etc
-black and white photographs of works of art, and Knoedler's premises at 15 Old Bond Street |