Wilkins, J. H. Elements of astronomy, for the use of schools ... (Continued-1.) Same. 5th ed. Stereotyped. Boston: Hilliard, Gray, Little, gnd Wilkins. 1828. pp. 14 plates. . 7029.38 Same. Stereotype ed. Boston: Hilliard, Gray, Little, and Wilkins. 1829. viii, 152 pp. 14 plates. 16°. 7929a.18 (Continued)