Vetenskapliga publikationer

Lick Observatory bulletin ; no. 338, p. 149-152, 1922: "The parallax of the Coma Berenices cluster"

Lick Observatory bulletin ; no. 339, p. 153-156, 1922: "Parallaxes of stars determined from spectrum and proper motion"

Publ. of the American Astronomical Society, vol 4, p.368, 1922: "The Distribution of Novae"

Publ. of the American Astronomical Society, vol 4,p.370, 1922: "The Proper Motions of Spiral Nebulae"

Publ. of the American Astronomical Society, vol 4, p.371, 1922: "Historical Note Concerning the Fundamental Equations in Stellar Statistics"

Publ of the Astronomical Society of the Pacific, Vol. 34, No. 197, p.40, 1922: " The Parallaxes of Bright and Dark Diffuse Nebulae"

Publications of the Astronomical Society of the Pacific, Vol. 34, No. 197, p.53, 1922: "Suspected Nova Near H I 53 Pegasi"

Publ of the Astronomical Society of the Pacific, Vol. 34, No. 198, p.108, 1922: "On the Motions of Spirals"

Publ of the Astronomical Society of the Pacific, Vol. 34, No. 198, p.126, 1922: "On the Secular Change in the Proper-Motion of Barnard's Star"

Monthly Notices of the Royal Astronomical Society, Vol. 82, p.495, 1922: "On the determination of the colour-equivalent of a star, with special reference to the effective wave-length and its relation to spectral class"

Publ of the Astronomical Society of the Pacific, Vol. 34, No. 199, p.147, 1922: "The Parallaxes of Stars as Derived from Spectral Class and Apparent Magnitude"

Publ of the Astronomical Society of the Pacific, Vol. 34, No. 200, p.191, 1922: " Father Hagen's Papers on Dark Nebulae"

Publ of the Astronomical Society of the Pacific, Vol. 34, No. 200, p.207, 1922: "The Absolute Magnitudes of Novae"

Publ of the Astronomical Society of the Pacific, Vol. 34, No. 200, p.225, 1922: "Proper Motion and Hypothetical Parallax of Nova T Coronae"

Publ of the Astronomical Society of the Pacific, Vol. 34, No. 200, p.229, 1922: " On the Secular Change in the Proper Motion of Barnard's Star"

Publ of the Astronomical Society of the Pacific, Vol. 34, No. 201, p.292, 1922: "Nova Z Centauri (1895) and N. G. C. 5253"

Publ of the Astronomical Society of the Pacific, Vol. 34, No. 202, p.357, 1922: "Rotation Period of Uranus"