Swinney, Geoffrey N. (2002). "The Training of a Polar Scientist: Patrick Geddes and the Student Career of William Speirs Bruce". Scottish Geographical Journal. 118 (4): 263 282. doi:10.1080/00369220218737152. S2CID140688820.
measuringworth.com
This contribution was worth at least £1.5 million in 2008 terms (Measuring Worth). Caird, who had no known connection with Bruce, was rewarded for his generosity to Shackleton by the naming of Caird Coast (part of Coats Land previously named by Bruce), and by the naming of the whaler James Caird, in which Shackleton made his open-boat rescue journey to South Georgia. "Measuring Worth". Institute for the Measurement of Worth. Retrieved 21 June 2008.
Swinney, Geoffrey N. (2002). "The Training of a Polar Scientist: Patrick Geddes and the Student Career of William Speirs Bruce". Scottish Geographical Journal. 118 (4): 263 282. doi:10.1080/00369220218737152. S2CID140688820.