O'Brien, Joseph F. Boss of bosses : the fall of the godfather : the FBI and Paul Castellano / by Joseph F. O'Brien and Andris Kurins. - New York : Simon & Schuster, ©1991. - 364 pages ; 25 cm. Includes index. With hard- and supercover ISBN: 0671708155 Subjects--Personal Names: Castellano, Constantino Paul, 1915-1985 Subjects--Corporate Names: United States. Federal Bureau of Investigation Subjects--Topical Terms: Hoodlums--New York (State)--New York--BiographyMafia--History--New York (State)--New YorkOrganized crime investigation--New York (State)--New York--Case studies