Michaelsen, Robert S. Piety in the public school trends and issues in the relationship between religion and the public school in the United States Robert S. Michaelsen. - [New York] Macmillan Co. [1970] - xiii, 274 p. 920908 Includes bibliographical references. LCCN: 72087896 //r862 Subjects--Topical Terms: Church and education--History.--United States LC Class. No.: LC405 / .M5 Dewey Class. No.: 377/.0973