Samford, Clarence D. Social studies in the secondary school / Clarence D. Samford and Eugene Cottle. - 1st ed. - London : McGraw-Hill Book Company, 1952. - 376 p. : 18 cm. - McGraw-Hill series in education . Includes index. 392 392 Subjects--Topical Terms: School Studies--London. Dewey Class. No.: 370.193 / S45s