Observations of nebulae and clusters of stars. Made with the six-foot and three-foot reflectors at Birr Castle from the year 1848 up to the year 1878.

Antzeko izenburuak

• Index Catalogue of books and memoirs relating to nebulae and clusters, etc.
  nork: Holden, Edward Singleton
  Argitaratua: (1877)
• The Distribution of stars in galactic regions in relation to the dark nebulae.
  nork: Schalén, Carl
  Argitaratua: (1932)
• Observations of double stars made at the U.S. Naval Observatory.
  nork: Hall, Asaph
  Argitaratua: (1881)
• ZONES of stars observed at the United Naval Observatory in the years 1846, 1847, 1848 and 1849
• Nebulae and galaxies
  nork: Hack, Margherita
  Argitaratua: (1964)