Dissertation (Ph.D.) — 1931

• Biddle, Russell Lee — The Number of Bristles and the Pairing of the Chromosomes in Hybrids Between Drosophila melanogaster and Drosophila simulans
• Campbell, John Stuart — A Determination of e/m from the Zeeman Effect
• Hergenrother, Rudolf Clemens — X-Ray Studies of Bismuth Single Crystals
• Ho, Tseng-Loh — A General Study of Diffusion Pumps--Langmuir Type
• Hoover, Vaino Alexander — Correlation of Induction Motor Design Factors and Determination of the End Turn Reactance of Polyphase Machines
• Hoyt, Archer — The Spectrum of X-Rays Scattered from Graphite Studied by Means of the Double Crystal Ionization Spectrometer
• Huff, Lorenz Ditmar — The Motion of a Dirac Electron in a Magnetic Field
• Jeffreys, Cecil Edward Pruitt — Photochemical Reactions in Non-Aqueous Solutions : I. The Photochemical Formation of Chlorine Dioxide from Chlorine Monoxide in Carbon Tetrachloride Solution. II. The Photochemical Reaction of Iodine with Cyclohexene in Benzene Solution
• Kennison, Lawrence Sanford — Linear Functional Equations on a Composite Range
• Kirkpatrick, Harry Allister — Study of the Breadth and Structure of the Compton Modified Line with the Multi-Crystal Spectrograph
• Lash, Charles Coyle — Study of Electric Transients in the Vacuum Switch by Means of the Cathode Ray Oscillograph
• Lindegren, Carl Clarence — Genetic Study of Sex and Cultural Characters in Neurospora crassa
• Maxson, John Haviland — Geology of the Western Siskiyou Mountains
• Maxstadt, Francis William — High Air-Efficiency insulation
• Neher, Henry Victor — Nuclear Scattering of High Velocity Electrons. Part I: Nuclear Scattering of High Velocity Electrons. Part II: Reflection of Electrons from Solid Surfaces
• Nickell, Frank Andrew — Geology of the Soledad Quadrangle, Central California
• Pomeroy, Richard Durant — The Diffusion of Gases in Oils
• Ravitz, Sol Frederick — A. Photochemical Reactions Involving Tri-Iodine Ion. B. The Photochemical Reaction between Iodine Monochloride and Hydrogen
• Stanton, William Layton — Geology of the Adelaida Quadrangle, California
• Swartz, Charles Albert — Part I. Cataphoresis in Rotating Electric Fields. Part II. The Variation in the Surface Tension of Gas-Saturated Petroleum with the Pressure of Saturation
• Van den Akker, Johannes Archibald — A New Magnetic Spectrograph for the Study of X-Ray Photo-Electrons
• Wenner, Ralph Richter — The Photochemical Decomposition of Hydrazine
• Winegarden, Howard Merlin — An Application of Thermodynamics to Physiology. 1. On the Free Energy of Glucose and of Tripalmitin. 2. The Work of the Kidney in the Production of Urine. 3. The Energy Cost of the Excretion of Urine. 4. On the Specific Dynamic Action of Protein
• Woo, Sho-Chow — I. Potentiometric Determination of Iridium. II. Reduction Potential of Quadrivalent to Trivalent Iridium in Hydrochloric Acid Solution. III. The Absorption Spectra Structure and Dissociation Energies of the Gaseous Halogen Cyanides