Epstein, Lee Constituional Law for a changing America: institutional powers and constraints / by Lee Epstein and Thomas G. Walker - Fifth edition - Washington D.C : CQ Press, 2004 - xv, 719 pages : illustrations ISBN: 1568028229 9781568028224 Subjects--Topical Terms: CONSTITUTIONAL LAW--UNITED STATES--CASES LC Class. No.: KB 22 Eps