'Slavery Under the British Flag: correspondence and protest against the Kanaka labour traffic'
'The Queensland Kanaka Labour Traffic Since 1885: evidence and opinions of the evils and abuses of the traffic since the report of the Royal Commission in 1885 being a supplement to Dr John G Paton’s protest compiled by his Hon. Secretary, A K Langridge'
Rev William Gray Letterbooks, 1892
Reel 3, Part II, Some notes on the Tannese
John Gray to Elizabeth and William Gray (2 letters)
'Imperial and Colonial Acts relating to the Recruiting etc of Pacific Island Labourers'
