Lihat Juga

• Equatorial Observations ofEncke's Comet made at the Durham Observatory 1871
  oleh: Plummer, John J.
  Terbitan: (1873)
• Observations of the Comet II. 1863, made with the Equatorial at the U. S. Nav. Observatory Washington
  oleh: Ferguson, James, et al.
  Terbitan: (1863)
• Observations of Asteroids and Comets made with the Equatorial of the U. S. Naval Observatory, Washington
  oleh: Davis, C. H.
  Terbitan: (1866)
• Observations of the Comet I. 1866 made with the Equatorial of the U. S. Naval Observatory, Washington
  oleh: Davis, C. H.
  Terbitan: (1866)
• Observations of Comets, made with the Northumberland Equatorial at the Cambridge Observatory
  oleh: Challis, J.
  Terbitan: (1860)