The Further Adventures of Robinson Crusoe by Daniel Defoe Chapter 16 Page 7

It was now March, the days grown considerably longer, and the weather at least tolerable; so the other travellers began to prepare sledges to carry them over the snow, and to get things ready to be going; but my measures being fixed, as I have said, for Archangel, and not for Muscovy or the Baltic, I made no motion; knowing very well that the ships from the south do not set out for that part of the world till May or June, and that if I was there by the beginning of August, it would be as soon as any ships would be ready to sail. Therefore I made no haste to be gone, as others did: in a word, I saw a great many people, nay, all the travellers, go away before me.

It seems every year they go from thence to Muscovy, for trade, to carry furs, and buy necessaries, which they bring back with them to furnish their shops: also