Indian Tea Association. Report on a visit to some tea growing districts of Assam, the Dooars, Darjeeling, Travancore and Ceylon, Oct & Nov 1949'. D W Tull. Confidential. Privately printed
Preliminary report by Sir M Macdonald and partners to the Government of India and the TRA for the [British] Ministry of Overseas Development on drainage of tea in north-east India. Duplicated typescript