From the top:
M91 1915 Westinghouse, SA Marked.
Finn 91/30, Izhevsk 1932 receiver. This one has small pieces of shell splinter embedded in the stock.
1944 Tula Sniper.
1943 Sako M39.
1944 Izhevsk, bought this one for 69.95 at the LGS. There was a stack of them available. They made good "truck guns", wish I had bought a few of them.
1952 Polish M44.