Soldiers of the partisan group Polyarnik pose for a photograph before leaving on a mission. Commander Daniel Andreyevich Podoplekin can be seen sitting in the middle of the front row.

Karelo-Finnish SSR, 1943. 

Finnish soldiers sitting around a fire in 1941.

Boris Karppela of the Finnish Army on skis.

Boris Karppela, Antti Porvali and Igor Vahros, showing off their swimsuits in 1942. 

Finnish officers in Medvezhyegorsk, formerly known as Karhumäki.

From left to right: Captain Ilmari Honkanen, Major Into Kuismanen, Boris Karppela, Lieutenant Vladi Marmo.

Jussi Kaarnaissi Alavudelta in 1943.

Wounded Finnish soldier being transported. May 20th, 1943.

(Source: sa-kuva.fi)

Soviet K-52 submarine at a harbour in Helsinki, Finland. Taken sometime between January-February, 1945.

Soviet and Finnish officers chatting on the frontlines soon after the Moscow Armistice was signed on 19th September, 1944.

suomisodassa:

Finnish soldier advancing with ski poles tucked under his arm.