Thayer, George Who shakes the money tree? American campaign financing practices from 1789 to the present by George Thayer - New York Simon & Schuster 1973 - 320 p. ; 22 cm. Includes indexes p. 303-306 LCCN: 73-11830 Subjects--Topical Terms: Elections--United States--Campaign fundsElections--United States--Campaign funds--History