Lamb was proposed to the Ministry of Information by Campbell Dodgson, Robert Ross, Charles Aitken and James Bone. He was primarily considered for drawings of Mesopotamia as he was then serving in the Egyptian Expeditionary Force. The MoI wished to see examples of his work but there were problems in sending drawings back from the Middle East and a request for his release was also refused by the War Office. By this time Lamb was serving in France. He expressed doubts about the Memorial hall scheme but agreed to work on a picture of a Palestinian subject. It was not until March 1919 that he was demobbed, having been suffering for some time from the after-effects of gas and influenza, and was therefore free to carry out work for the Imperial War Museum. (61) is a description of the subject matter of the work (IWM:ART 2746).
The file also includes reproduction requests, a loan of the Palestine picture to the Venice Biennale, 1932, a press review of Lamb's exhibition at the Leicester Galleries (1931?), leaflets for exhibitions devoted to Lamb at the IWM in 1958 and 1961, and an obituary from the Times, 10 Oct 1960