520 Y Young, Charles Augustus, 1834-1908. The elements of astronomy; a textbook, by Charles A. Young … Rev. ed., with additions and corrections. Boston, New York [etc.] Ginn and company [c1926] x, 508 p. front., illus., plates, iv double maps, diagrs. 19 cm. ´´Preface to issue of 1918´´ signed: Anne Sewell Young. The supplement with special t.-p. ´´Uranography …´´ (p. [465]-508 is ]so issued separately