187. Selective Reflection of λ 2536 by Mercury Vapour.
188. Polarised Resonance Radiation of Mercury Vapour.
189. Spontaneous Incandescence of Substances in Atomic Hydrogen Gas.
190. Destruction of the Polarisation of Resonance Radiation by Weak Magnetic Fields (with A. Ellett).
191. On the Influence of Magnetic Fields on the Polarisation of Resonance Radiation (with A. Ellett).
192. Vacuum Grating Spectrograph and the Zinc Spectrum.
193. Dialysis of Small Volumes of Liquid. The Lily-pad Dialyser.
194. Controlled Orbital Transfers of Electrons in Optically Excited Mercury Atoms.
195. An Experimental Study of Grating Errors and "Ghosts."
196. Polarised Resonance Radiation in Weak Magnetic Fields (with A. Ellett).
197. Fine Structure, Absorption and Zeeman Effect of the 2536 Mercury Line.
198. Optical Excitation of the Mercury Spectrum.
199. Improved Grating for Vacuum Spectrographs (with Th. Lyman).
200. Structure of Cadmium and Zinc Resonance Lines.
201. Self-Reversal of the Red Hydrogen Line.
202. Optical Excitation of Mercury with Controlled Radiating States and Forbidden Lines.
203. The Physical and Biological Effects of High Frequency Sound Waves of Great Intensity (with A. L. Loomis).
204. Variation of Intensity Ratios of Optically Excited Spectrum Lines with the Intensity of the Exciting Light.
205. Spectra of High-frequency Discharges in Super-vacuum Tubes (with A. L. Loomis),
206. Rotational Structure of the Blue-Green Bands of Na2 (with F. W. Loomis).
207. Optically Excited Iodine Bands with Alternate Missing Lines (with F. W. Loomis).
208. Fluorescence of Mercury Vapour (with V. Voss).
209. Factors Which Determine the Occurrence of the "Green-Ray."
210. Factors Governing the Appearance of the "Forbidden Line" 2656 (with E. Gaviola).
211. Wave-length Shifts in Scattered Light.
212. The Fluorescence Spectrum of Sodium Vapor in the Vicinity of the D Lines (with E. L. Kinsey).
213. New Effects in the Optical Excitation of Vapours.
214. Anti-Stokes Radiation of Fluorescent Liquids.
215. Power Relation of the Intensities of the Lines in the Optical Excitation of Mercury (with E. Gaviola).
216. Raman Spectra of Scattered Radiation.
217. Photosensitised Band Fluorescence of OH, HgH, NH, H2O and NH3, Molecules (with E. Gaviola).
218. Raman Lines Under High Dispersion.
219. Excitation of the Raman Effect.
220. Raman Effect in Gases I, HCl and NH3.
221. Raman Effect by Helium Excitation.
222. Chromium Echelette Gratings for Infra-Red.
223. Ozone Absorption During Long Arctic Night.
224. Densitometer Curves of the Green Mercury Line.
225. Molecular Spectra and Molecular Structure. Part II, Excitation of Raman Spectra.
226. Spectra of High Frequency Discharge in O2 and CO.
227. Raman Lines of Mercury in Arc Improbable. (Criticism of reported results.)
228. Plasmoidal H. F. Oscillatory Discharges in "Non-Conducting" Vacua.
229. Raman Effect in HCl Gas (with G. H. Dieke).
230. Improved Technique for the Raman Effect.