Lihat Juga

• Observations on the comet of Aug. 29. 1850 made at the observatory of Harvard College Cambridge U. S.
  oleh: Bond, W. C.
  Terbitan: (1851)
• Observations uponEncke's Comet, made at the Observatory of Harvard College, Cambridge U. S. With the Great Refractor
  oleh: Bond, W. C.
  Terbitan: (1852)
• Observations of Comet Wells at the Litchfield Observatory of Hamilton College
  oleh: Petèrs, C. H. F.
  Terbitan: (1882)
• Observations of Comets, made with the Northumberland Equatorial at the Cambridge Observatory
  oleh: Challis, J.
  Terbitan: (1860)
• Observations of Neptune made at Cambridge Observatory U. S. 1846-7
  oleh: Bond, W. C.
  Terbitan: (1847)