Lihat Juga

• Observations of Polyhymnia, taken with the Northumberland Equatorial at the Cambridge Observatory, communicated by ProfessorChallis
  oleh: Challis, J.
  Terbitan: (1857)
• Meridian and Equatorial Observations of Planets and Comets observed at the Cambridge Observatory
  oleh: Challis, J.
  Terbitan: (1859)
• Observations of the Planet Sappho made at the Cambridge Observatory with the Northumberland Equatorial and Square-Bar Micrometer
  oleh: Adams, J. C.
  Terbitan: (1887)
• Observations of Hygeia, made at the Cambridge Observatory
  oleh: Challis, J.
  Terbitan: (1853)
• Occultation of Saturn by the Moon on May 8, as observed at the Cambridge Observatory
  oleh: Challis,
  Terbitan: (1859)