Schorling, Raleigh, 1887-1950. Modern-School Mathematics: book three / Raleigh Schorling, John R. Clark and Rolland R. Smith. - Yonkers-on-Hudson, N.Y., World book company [c1936]. - x, 462 p. : illus. ; 19 cm. Includes index. Subjects--Topical Terms: Mathematics. Dewey Class. No.: 510 / SCH