At eleven o'clock in the morning of 16 April Major-General R. H. Dewing, Director of Military Operations it the War Office, came to C.M.H.Q. and placed before General Crerar an outline of the proposed operations, accompanied by a request that the Canadians, "in view of lack of other trained, troops in the United Kingdom", might take part.
Documents concerning the AngloFrench Policy of Extending the War, publié par la Librairie allemande d'information à New-York vers la fin de 1940. On y trouve des fac-similés de documents capturés au Q.G. de la 148e brigade d'infanterie anglaise, ainsi que des instructions relatives à l'opération, en date du 6 avril.