Correspondence and papers concerning writing and publication of A New Essay upon Tea, addressed to the medical profession... (London, 1935) published by the ITA largely in response to the advertisements mentioned in 1405 above; includes copies of the book
Correspondence and papers concerning lead content of tea and the practice of packing tea in lead-lined chests, in the light of the USA Department of Agriculture restrictions on lead in foodstuffs.
A study of caffein and tea: psychological aspects'. Report of an investigation conducted at Fordham University, New York, for the William Esty Company and the International Tea Bureau Association