numerous areas: to a defense contractor's confidential assessment of its equal employment opportunity practices, Banks v. Lockheed-Georgia Co., 53 F.R.D. 283 (N.D.Ga.1971); to accounting records, New York Stock Exchange v. Sloan, 22 Fed.R.Serv.2d (Callaghan) 500 (S.D.N.Y.1980); to securities law, In re Crazy Eddie S