Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page David Bergelson:

"

His 1926 essay "Three Centers" expressed a belief that the Soviet Union (where Yiddish language and literature were then receiving official patronage) had eclipsed the assimilationist United States and backwards Poland as the great future locus of Yiddish literature. He began writing for the Communist Yiddish press in both New York (Morgen Freiheit) and Moscow (Emes), and moved to the Soviet Union in 1933, around the time the Nazis came to power in Germany.