The politics of Presidential appointments / G. Calvin Mackenzie. Mackenzie, G. Calvin. United States. Congress. Senate. Presidents United States. JK736 .M33 353.00132 MAP Includes bibliographical references and index. New York : Free Press ; London : Collier Macmillan, c1981. c1981. 1981 Text xxi, 298 p. : eng United States Officials and employees Selection and appointment. United States.