Vetenskapliga publikationer

Monthly Notices of the Royal Astronomical Society, Vol. 85, p.865, 1925: "The motions and the distances of spiral nebulae"

Astrophysical Journal, 63, 67-71 (1926) Internal motions of Messier 33

Vierteljahrsschrift der Astronomischen Gesellschaft, volume 61, pp. 230-236 (1926) The estimates of stellar magnitudes by Ptolemaios, al-Šufī and Tycho Brahe

Vierteljahrschrift der Astronomischen Gesellschaft, vol. 61, p. 254-59 The distribution in space of the anagalactic nebulae as derived from the diameter laws and from physically connected objects

Arkiv for Matematik, Astronomi och Fysik, Vol. 19B (9), p. 1-9 Double spiral nebulae and the law of the variation of the absolute dimensions of anagalactic nebulae