EDNOTE. The site below is the current MOMA show on "The Avant-garde Russian Book: 1910-1934." 
Although Nabokov does not figure  in it, it gives the reader an idea of the vigorous avant-gared culture of Russia in VN's youth.
 
----- Original Message -----
From: Sandy P. Klein
Cc:
Subject: http://www.moma.org/russian/

An interesting site:

http://www.moma.org/russian/