23. Equilibrium Figures Formed by Floating Magnets. Phil. Mag., 46 (1898), 162
24. The Anomalous Dispersion of Cyanin. Phil. Mag., 46 (1898), 380
25. Some Experiments on Artificial Mirages and Tornadoes. Phil. Mag., 47 (1899), 349
26. An Application of the Diffraction Grating to Colour Photography. Phil. Mag., 47 (1899), 368
27. Photography of Sound Waves by the "Schlieren Methode." Phil. Mag., 48 (1899), 218
28. Dark Lightning. Nature, Sept. 14, 1899, 460
29. Diffraction Process of Color Photography. Science, 9 (1899), 859; Photog. Jour., 24 (1900), 256; Jour. Soc. Arts., (1900), 285
30. On the Cause of Dark Lightning and the Clayden Effect. Jour. Phot. Soc., Phila., Nov. 8, 1899, 69
31. Zone Plate Photography. Photog. Jour., 24 (1900), 248
32. Photography of Sound Waves. Photog. Jour. of Roy. Photo. Soc. London., 24 (1900), 250
33. An Application of the Method of Striae to the Illumination of Objects Under the Microscope. Phil. Mag., 50 (1900), 347
34. The Photography of Sound Waves and the Demonstration of the Evolutions of Reflected Wave Fronts with the Cinematograph. Phil. Mag., 50 (1900), 148; Smithsonian Report for 1900 (1901) 359; Chem. News, 81 (1900), 103; Proc. Roy. Soc., A 66 (1900), 283
35. Artificial Representation of a Total Solar Eclipse. Nature, 63 (1901), 250; Science, 13 (1901), 65
36. Vortex Rings. Nature, 63 (1901), 458
37. Pseudoscopic Vision Without a Pseudoscope. Nature, 64 (1901), 351; Science, 14 (1901), 185
38. The Anomalous Dispersion of Cyanin (with C. E. Magnusson). Phil. Mag., 1 (1901), 36
39. The Problem of the Daylight Observation of the Corona. Astrophys. Jour., 12 (1901), 281
40. The Nature of the Solar Corona. Astrophys. Jour., 13 (1901), 68
41. The Anomalous Dispersion of Carbon. Phil. Mag., 1 (1901), 405
42. On the Propagation of Cusped Waves and Their Relation to the Primary and Secondary Focal Lines. Phil. Mag., 1 (1901), 589
43. On the Production of a Bright-Line Spectrum by Anomalous Dispersion and Its Application to the "Flash-Spectrum." Phil. Mag., 1 (1901), 551; Naturwissensch. Rundschau, 16 (1901), 394; Astrophys. Jour., 13 (1901), 63
44. On Cyanine Prisms and a New Method of Exhibiting Anomalous Dispersion. Phil. Mag., 1 (1901), 624
45. A Mica Echelon Grating. Phil. Mag., 1 (1901), 627
46. Anomalous Dispersion of Sodium Vapour. Proc. Roy. Soc., 69 (1901), 157
47. On the Fluorescence and Absorption Spectrum of Sodium Vapour. Phil. Mag., 3 (1902), 359
48. A Suspected Case of Resonance of Minute Metallic Particles for Light Waves. Phil. Mag., 3 (1902), 396
49. Surface Colour. Phys. Rev., 14 (1902), 315
50. Prisms and Plates for Showing Dichromatism. Phys. Rev., 15 (1902), 121
51. The Invisibility of Transparent Objects. Phys. Rev., 15 (1902), 123
52. Absorption, Dispersion, and Surface Colour of Selenium. Phil. Mag., 3 (1902), 607
53. Production of a Magnetic Field by a Flight of Charged Particles. Phil. Mag., 3 (1902), 659
54. Cooling of Gases by Expansion. Science, 16 (1902), 592
55. The Kinetic Theory of the Expansion of Compressing Gas into a Vacuum. Science, 16 (1902), 909
56. On a Remarkable Case of Uneven Distribution of Light in a Diffraction Grating Spectrum. Phil. Mag., 4 (1902), 396
57. On the Electrical Resonance of Metal Particles for Light Waves. Second Communication. Phil. Mag., 4 (1902), 425; Phys. Zs., 4 (1903), 338
58. The Clayden Effect and the Reversal of Spectrum Lines. Phil. Mag., 4 (1902), 606
59. Screens Transparent Only to Ultra-Violet Light and Their Use in Spectrum Photography. Phil. Mag., 5 (1903), 257; Phys. Zs., 4 (1903), 337; Astrophys. Jour., 17 (1903), 133
60. On Photographic Reversals in Spectrum Photographs. Explanation of Dark Lightning. Astrophys. Jour., 17 (1903), 361
61. On the Anomalous, Dispersion, Absorption and Surface Colour of Nitrosodimethyl Aniline with a Note on the Dispersion of Toluine. Phil. Mag., 6 (1903), 96; Proc. Am. Acad. Arts and Sci., 39 (1903), 51
62. Electrical Resonance of Metal Particles for Light Waves. Third Communication. Phil. Mag., 6 (1903), 259
63. Fluorescence and Absorption Spectra of Sodium Vapour (with J. H. Moore). Phil. Mag., 6 (1903), 362; Astrophys. Jour., 18 (1903), 94
64. Some New Cases of Interference and Diffraction. Phil. Mag., 8 (1904), 376
65. The Achromatization of Approximately Monochromatic Interference Fringes by a Highly Dispersive Medium, and the Consequent Increase in the Allowable Path-difference (with a note by Lord Rayleigh). Phil. Mag., 8 (1904), 324
66. Scintillations of Radium. Science, 19 (1904), 195
67. The N Rays (Letter exposing delusion). Nature, 70 (1904), 530
68. A Quantitative Determination of the Anomalous Dispersion of Sodium Vapour in the Visible and Ultra-Violet Regions. Phil. Mag., 8 (1904), 293; Phys. Zs., 5 (1904), 751; Am. Acad. Arts Sci., 40 (1904), 365
69. Apparatus to Illustrate the Pressure of Sound Waves. Phys. Rev., 20 (1905), 113; Phys. Zs., 6 (1905), 22
70. Intensity of Grating Spectra. Astrophys. Jour., 21 (1905), 173; Phys. Zs., 6 (1905), 238
71. The Magnetic Rotation of Sodium Vapor (with H. W. Springsteen). Phys. Rev., 21 (1905), 41
72. Physical Optics (Textbook). Macmillan Company, New York. London, 1905
73. The Scintillations Produced by Radium. Phil. Mag., 10 (1905), 427
74. The Magneto-Optics of Sodium Vapour and the Rotatory Dispersion Formula. Phil. Mag., 10 (1905), 408
75. The Fluorescence of Sodium Vapour and the Resonance Radiation of Electrons. Phil. Mag., 10 (1905), 513
76. Anomalous Dispersion of the Magnetic Rotation of the Plane of Polarization. Phil. Mag., 10 (1905), 725; Phys. Zs., 6 (1905), 416
77. The Meteorological Optics of Prof. J. M. Pernter: Review. Monthly Weather Review, 1906
78. Fluorescence and Magnetic Rotation Spectra of Sodium Vapor, and Their Analysis. Phil. Mag., 12 (1906), 499; Proc. Amer. Acad. Arts Sci., 42 (1906), 235
79. Fluorescence and Lambert's Law. Phil. Mag., 11 (1906), 782
80. Interference Colours of Chlorate of Potash Crystals and a New Method of Isolating Heat Waves. Phil. Mag., 12 (1906), 67
81. Fish-Eye Views and Vision Under Water. Phil. Mag., 12 (1906), 159