DJVU Luce, G.H. 1944, "Letter to Swithin from Luce (re: Robert Shafer's request for data), 9/5/1944", in Luce Collection, MS 6574-7, pp. 063a-c. National Library of Australia. cite.

DJVU Luce, G.H. 1944, "Hiroi - Tarao lexicon by C. Ginson prepared for Robert Shafer, dated 12/11/1944", in Luce Collection, MS 6574-7, pp. 029a-029b. National Library of Australia. cite.