Eisgruber, Christopher L. Religious freedom and the constitution / Christopher L. Eisgruber, Lawrence G. Sager. - Cambridge, Mass. : Harvard University Press, 2007. - 333 p. ; 22 cm. Includes bibliographical references (p. 287-322) and index. ISBN: 0674023056 (hc : alk. paper) 9780674023055 (hc : alk. paper) RM98.80 Subjects--Corporate Names: United States. 1st Amendment. Constitution Subjects--Topical Terms: Freedom of religion--United States.Church and state--United States.