Letter from the 5th Earl of Cranbrook to Lou Pecotich on Aerodramus vanikorensis. The Earl also mentioned the book he write with David Wells on Malayan birds was out

Letter from the 5th Earl of Cranbrook to Major John F. R. Colebrook-Robjent stating that he was not familiar with bird eggs. He commented on Bukit Selebor. He also stated that the latest edition of Smythies' "Birds of Borneo" was the fourth, published in 1999

Letter from the 5th Earl of Cranbrook to Messrs. Kee Huat Radio Co. ordering recording equipment. He specified the type of microphone was the low impedance type DP4/L

Letter from the 5th Earl of Cranbrook to Michael Cook telling him he was not an expert on bulbuls. He would like to be kept informed on information on the Seychelles swiftlets

Letter from the 5th Earl of Cranbrook to Mr Busst concerning the Earl's caving trip and then writing to Mr Scott. He also mentioned his hope to visit Queensland

Letter from the 5th Earl of Cranbrook to Mrs Frederik B. Bang advising on her husband's proposed travel planas well as his own travel plans

Letter from the 5th Earl of Cranbrook to P. Loustau-Lalanne enquiring if he had a chance of hunting for swiftlet nests on Mahe

Letter from the 5th Earl of Cranbrook to Peter Hollander informing him of Tom Harrisson of Sarawak Museum who might be able to help him get heads of Collocalia maxima. He also mentioned Hollander would be able to get access to a laboratory in Malaysia

Letter from the 5th Earl of Cranbrook to Peter Hollander on sending heads of Collocalia esculenta to him

Letter from the 5th Earl of Cranbrook to Prof Andrew J. Berger discussing on the pages from Berger's text of "Hawaiian Birdlife" sent to him. The Earl also discussed on the introduction of wild species in UK