Welchons, Alvin M. Solid geometry/ by A. M. Welchons, W. R. Krickenberger, and Helen R. Pearson. - Boston: Ginn and Company, 1959. - 345 p.: illus.; 24 cm. Includes index (343 - 345 p.) LCCN: 59016069 Subjects--Topical Terms: Geometry, Solid LC Class. No.: SPE-B 2173 Dewey Class. No.: 513.3