Text ( visual ) : unmediated The new fourth branch : institutions for protecting constitutional democracy / Mark Tushnet. -- : hardback. -- Cambridge : Cambridge University Press , 2021. -- ix, 186 p. ; 24 cm. -- (Comparative constitutional law and policy). -- Includes index. -- ISBN 9781316517833 ; (BC07821579) ; https://ci.nii.ac.jp/ncid/BC07821579 Other Title(s): The new 4th branch : institutions for protecting constitutional democracy. -- Author Heading(s): Tushnet, Mark V.. -- Classification(s): LCC : K3289 ; DC23 : 342/.04 ; DC23 : 342.04. -- Subject Heading(s): LCSH : Constitutional law ; LCSH : Independent regulatory commissions ; LCSH : Separation of powers