Books about Koplar:

booksMeet Me in the Lobby: The Story of Harold Koplar & the Chase Park Plaza by Candace O'Connor (May 2005)

booksCentral States Life Insurance Company, Petitioner, v. the Koplar Company. U.S. Supreme Court Transcript of Record... by R H MCROBERTS and SAMUEL H LIBERMAN (Oct 27, 2011)

booksHarry Koplar VS Warner Bros Brief Signed by Jack L Jr Warner