Notes and papers from research carried out at archives in the United Kingdom, 1970s
- 'Report by Lieut-Colonel O.F. Watkins, C.B.E., D.S.O., Director of Military Labour to the B.E.A. Expeditionary Force on the period from August 4th, 1914 to September 15th, 1919' with copies of some appendices and notes on others.
- Notes on and some copies of papers from the Watkins, John Ainsworth (Bodleian Library, MSS. Afr. s. 377-382) and H.B. Thomas Papers (Royal Commonwealth Society Library)
- Notes on Arthur Papers (Edinburgh University Library) and other mission sources