Bertsch G.K. creator Comparative government ;Political science creator The present edition of this book will devote considerable attention to the political, economic, social, and cultural changes going on in all three words in the 1990s. creator Bertsch G.K. -NY Pub.Macmillan 0 0 Eng lis h 727 pp. The present edition of this book will devote considerable attention to the political, economic, social, and cultural changes going on in all three words in the 1990s. Comparing Political Systems: Power and Policy in Three Words. 320.3 B48 23090200 a130