Muscovite Northeastern Expansion
Kuchum, Khanate of Sibir'
Images from class
the Semen Remezov books/maps: I know this is in Russian, but if you click the play sign on that first thingy, it pages through his history of Siberia
V. I. Surikov,
Ermak's Conquest of Siberia
I didn't show
, but it's an interesting image from the Remezov book of maps of and history of Siberia