See, T. J. J. (1895). "Micrometrical measures of double stars, made with the 26-inch refractor of the Leander Mc Cormick Observatory of the University of Virginia, from 1895 April 10 to May 5". The Astronomical Journal. 15: 97. Bibcode:1895AJ.....15...97S. doi:10.1086/102247.
See, T. J. J. (1896). "Researches on the orbit of 70 Ophiuchi, and on a periodic perturbation in the motion of the system arising from the action of an unseen body". The Astronomical Journal. 16: 17–23. Bibcode:1896AJ.....16...17S. doi:10.1086/102368.
See, T. J. J. (1895). "Micrometrical measures of double stars, made with the 26-inch refractor of the Leander Mc Cormick Observatory of the University of Virginia, from 1895 April 10 to May 5". The Astronomical Journal. 15: 97. Bibcode:1895AJ.....15...97S. doi:10.1086/102247.
See, T. J. J. (1896). "Researches on the orbit of 70 Ophiuchi, and on a periodic perturbation in the motion of the system arising from the action of an unseen body". The Astronomical Journal. 16: 17–23. Bibcode:1896AJ.....16...17S. doi:10.1086/102368.