Venator & Hanstein - 80 Jahre Kölner Buch- und Graphikauktionen | Calls, Sounds and Merchandise of the Peking Street Peddlers. Submitted to the California College in China in part fulfilment of the requirements for the degree of master of arts. Peking: Camel Bell Press (überstempelt mit: "Bookshop Grand Hotel des Wagons Lits") o. J. (um 1936).