Schnell, Leroy H. Solid geometry : a clear thinking approach / Leroy H. Schnell and Mildred G. Crawford. - New York : McGraw-hill book company, c 1953. - x, 198 p. : ill. ; 24 cm. Include index. 340 340 Subjects--Topical Terms: Geometry. Dewey Class. No.: 513 / S58s