Input: concept: W E B Du Bois  question:  what book did w.e.b. dubois wrote?
Output: 



Answer: Writings
The Souls of Black Folk
John Brown
The Negro
W.E.B. Du Bois on Asia
Darkwater
The world of W.E.B. Du Bois
The illustrated Souls of Black folk
The suppression of the African slave trade to the United States of America, 1638-1870
Dark princess