Lazar_El_Lissitzky_-_Study_for_Proun_4B_-_Google_Art_Project Published September 16, 2013 at 2368 × 3351 in PROUN ← Previous Next → El Lissitzky, Study for PROUN 4-B (1920) Like this:Like Loading... With lightning telegrams:FacebookTwitterTumblrMoreRedditPinterestLike this:Like Loading...