Question

What are the social classes of Poland?

Answer 1

http://countrystudies.us/poland/28.htm

http://www.polishforums.com/society-culture-38/class-system-poland-exist-47768/

http://findarticles.com/p/articles/mi_m2267/is_n2_v61/ai_15764929/

http://esr.oxfordjournals.org/content/24/2/169.abstract