Istoricheskai︠a︡ poėtika /
Veselovskiĭ, Alekseĭ Nikolaevich.
Zhirmunskiĭ, Viktor Maksimovich,1891-1971.
The Hague :  Mouton, 
1970.
Reprint of the Leningrad, 1940 edition.
Poetics.