Carl Linnaeus, The Lapland Journey, translated by Peter Graves (Edinburgh: Lockharton Press, 1995), p. 71.
Lycksele Lappmark, 01/06/1732, ¶308:
They had been here 6 weeks and intended to stay another fortnight, as long as the pike continued spawning. For the most part they eat only fish, especially roe and other innards.