An Introduction to the Fourth Dimension. Dearborn, MI: Henry Ford Trade School, N.d. 12mo. Binding intact. -- EDDINGTON, Arthur S. The Physical Society of London. Report on the Relativity Theory of Gravitation. London: Fleetway Press, Ltd., 1920. Provenance: S. H. Spark? (signature). Second edition. -- HELMHOLTZ, Hermann. Wissenschaftliche Abhandlungen. Leipzig: Johann Ambrosius Barth, 1882, 1883 & 1895. 3 volumes. Provenance: George Eugene Uhlenbeck (stamped). -- HUBBLE, Edwin. “A Spiral Nebula as a Stellar System, Messier 31.” Contributions from the Mount Wilson Observatory. No. 376. Reprinted from the Astrophysical Journal, Volume LXIX, 1929. N.p.: Carnegie Institution of Washington, 1929. Binding intact (rubbed, darkened). Provenance: Herbert McLean Evans (bookplate). -- KLEIN, Felix. Elementarmathematik vom Höhern Standpunkte Aus. Leipzig: B.G. Teubner, 1911 & 1913. 2 parts in 2 volumes. Second edition. -- KLEIN, Felix. Gesammelte Mathematische Abhandlungen. Berlin: Julius Springer, 1921 & 1922. 2 volumes. Provenance: George Eugene Uhlenbeck (stamped). -- KLEIN, Felix. Vorlesungen Über Die Entwicklung Der Mathematik. Berlin: Julius Springer, 1926. Part I. Provenance: Abraham Pais (signature). -- PLANCK, Max. Zur Dynamik bewegter Systeme. Leipzig: Johann Ambrosius Barth, 1908. -- REES, Abraham. The Cyclopaedia; or Universal Dictionary of Arts, Sciences, and Literature. N.p.: Longman, Hurst, Rees, Orme & Brown, 1820. 4to. -- Together, 9 works in 13 volumes, all 8vo except where indicated, numerous illustrations, all in original paper wrappers (some chipping), all FIRST EDITION except where indicated, condition generally good.