GEOMATHEMATICS & ASTRONOMY, 1934-1978, Scientific Monographs, Computation, Geophysics, 3 Vols.

Williams, The Calculation of the Orbits of Asteroids and Comets; Bloomington, The Principia Press, Inc.; publisher’s cloth; illustrated frontispiece. Ramdén, JCL and Advanced FORTRAN Programming; Amsterdam, Elsevier Scientific Publishing Company, 1976; original printed wrappers. Hvoždara, ed., Electromagnetic Field of the Earth; Bratislava, VEDA, 1978; cloth; maps and diagrams.

Sound used copy; Franklin Institute bookplate to Williams front pastedown; ink signatures to Ramdén preliminary leaves; light rubbing and edge wear to bindings.