Before revision: Ridings – Chicago to Springfield:: Crime and Politics in the 1920s Arcadia Publishing 18 September 2012 A 1945 dictionary of criminal slang in the U.S. lists Big Brains as "a gang-leader", but not Mr Big .
After revision: Ridings – Chicago to Springfield:: Crime and Politics in the 1920s Arcadia Publishing 18 September 2012 A 1945 dictionary of criminal slang in the US. lists Big Brains as "a gang-leader", but not Mr Big .