1923-24

Popular Astronomy, Vol. 31, p.239, 1923: "On the accuracy with which parallaxes can be determined from spectral class and proper motion"

Popular Astronomy, Vol. 31, p.241, 1923: "The parallaxes of the first magnitude stars"

Popular Astronomy, Vol. 31, p.455, 1923: "Parallaxes of the second magnitude stars"

Some Facts and Suggestions Concerning Nova

Monthly Notices of the Royal Astronomical Society, Vol. 83, p.470,1923: "Note on the determination of absolute magnitude from λe and λm"

Astronomical Journal, vol. 35, iss. 828, p. 93-95,1923: "On the relation between absolute magnitude and spectral class as derived from observations of double stars"

Publ of the Astronomical Society of the Pacific, Vol. 35, No. 208, p.318, 1923:"Determination of the Apex of Globular Clusters"

The Observatory, Vol. 47, p. 276-279, 1924: "The distance of the Large Magellanic Cloud"

The Observatory, Vol. 47, p. 279-281, 1924: "Determination of the apices and the mean parallax of the spirals"