Mason, Alpheus Thomas, 1899- American constitutional law : introductory essays and selected cases / Alpheus Thomas Mason and William M. Beaney - 4th ed. - Englewood Cliffs, N.J. : Prentice-Hall, 1968 - xi, 622 p. ; 25 cm. Includes bibliographies LCCN: 68-21160 Subjects--Geographic Terms: United States--Constitutional law--Cases