Title: Leninskai͡a︡ kont͡s︡ept͡s︡ii͡a︡ poni͡a︡tii͡a︡ i ėvoli͡u︡t͡s︡ii͡a︡ poni͡a︡tii͡a︡ "vid."
Subjects: Biology, Dialectical materialism, Philosophy, Species