Principles of insurance / Robert I. Mehr, Emerson Cammack ; assisted by Stephen P. D'Arcy, Jeffrey L. Shade. Mehr, Robert Irwin, 1917- Cammack, Emerson, joint author. Insurance. 368 MEP Includes bibliographical references and index. Homewood, Ill. : R. D. Irwin, 1980. 1980. 1980 Text xix, 771 p. ; eng Irwin series in insurance and economic security