Carl Linnaeus, The Lapland Journey, translated by Peter Graves (Edinburgh: Lockharton Press, 1995), p. 106.
The Prefecture of Luleå [1], 28/06/1732, ¶527:
There were crooked pines in many places around here and the lower parts of them always became hard like boxwood. They make skis and sledge-runners from it and call it “travelling wood”.