Ten years’ work of a mountain observatory. Washington, D.C.” The Carnegie Institution of Washington, 1915. 8vo. The new heavens. New York and London: Charles Scribner’s Sons, 1922. 8vo. The depths of the universe. New York and London: Charles Scribner’s Sons, 1924. 8vo. Beyond the milky way. New York and London: Charles Scribner’s Sons, 1926. 8vo. Signals from the stars. London: Charles Scribner’s Sons, 1932. 8vo. Dedication of the Palomar Observatory and the Hale Telescope. Pasadena: Grabhorn Press for the California Institute of Technology, 1948. Folio.
New York and London: Charles Scribner’s Sons, 1915; 1922; 1924; 1926; 1932; 1948. Six separate items. 8vo. and Folio. 1. 98, [1] pp.; 2. xv, [i], 88 pp.; 3. xv, [i], 98 pp.; 4. xv, [i], 105 pp.; 5. xx, [ii], 138 pp.; 6. 33, [3] pp. 1. Frontispiece plus..... More