Fifth and Sixth Catalogues of the Comparative Brightness of the Stars (Prepared by Col. J. Herschel, 1905)

@inproceedings{Herschel2013FifthAS,
  title={Fifth and Sixth Catalogues of the Comparative Brightness of the Stars (Prepared by Col. J. Herschel, 1905)},
  author={William Herschel and John Louis Emil Dreyer},
  year={2013}
}