
1) Danny of Danny & the Juniors 2) German surname 3) Pitcher Pat 4) Rent star Anthony
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https://www.crosswordclues.com/clue/rapp

(Russian Association of Proletarian Writers) The radical writers organization that helped enforce “proletarian” literary standards during the years of Cultural Revolution; predecessor of VAPP.
Found on
http://soviethistory.msu.edu/glossary/

association formed in the Soviet Union in 1928 out of various groups of proletarian writers who were dedicated to defining a truly proletarian ... [1 related articles]
Found on
http://www.britannica.com/eb/a-z/r/13
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