Pavlov-Dvadtsatilenii opyt ob'ektivnogo...

Pavlov (Ivan Petrovich) Dvadtsatilenii opyt ob'ektivnogo izucheniia vysshei nervnoi deiatel'nosti. Uslovnye refleksy[Lectures on Conditioned Reflexes: Twenty years of objective study of the higher nervous activity (behaviour) of animals], third Russian edition, signed presentation inscription from the author dated 1935 on glacine sheet tipped in at beginning, frontispiece, neat contemporary ink signature at head of title, text browned, advertisement leaf at end, advertisements on inside wrappers, original printed wrappers, uncut, plain dust-jacket rubbed and soiled, a little frayed at edges, preserved in modern cloth portfolio and morocco-backed cloth slip-case, 8vo, Leningrad, 1925.