Referee's report by William Edward Curtis, on a paper 'The λ3400 bands of PH and PD' by M Ishaque [M Ishaq] and R W B Pearse Sectional Committee: Physics Recommended for publication in the 'Proceedings of the Royal Society of London'. Does not know if the cost justifies printing tables 7 and 8, although they should be made available. 'The Paper as a while is a very specialised one, and will be intelligible to relatively few, but I do not know of any other Journal in which it might be more appropriately published'. [Published in the 'Proceedings of the Royal Society of London'] No received date. [1939]