Handford, Jenny Mai (2009). "Dog sledging in the eighteenth century: North America and Siberia". Polar Record. 34 (190): 237-248. doi:10.1017/S0032247400025705. S2CID128763354.
Handford, Jenny Mai (2009). "Dog sledging in the eighteenth century: North America and Siberia". Polar Record. 34 (190): 237-248. doi:10.1017/S0032247400025705. S2CID128763354.