Read, Leonard Edward How do we know? Leonard E. Read. - Irvington-on-Hudson, N.Y. Foundation for Economic Education 1981. - vii, 120 p. 20 cm. Includes bibliographical references and index. ISBN: 0910614687 LCCN: 82105508 Subjects--Topical Terms: Conduct of life LC Class. No.: BJ1581.2 / .R42 Dewey Class. No.: 158/.1