- The Home Planet(Outer Space Photography ) by Kevin W. Kelley, 1991-10-02
- Journal Of The American Association Of Variable Star Observers (Jaavso) Vol. 36, Nr. 2, 2008: Jaavso 36.2 (Volume 36) by Jaavso Aavso, 2009-02-12
- Journal of the American Association of Variable Star Observers (JAAVSO) Vol. 37, Nr. 1, 2009: jaavso 37.1 (Volume 37) by jaavso aavso, 2009-06-01
- A Catalogue of Southern Peculiar Galaxies and Associations 2 volume set by Halton C. Arp, Barry F. Madore, 1987-05-29
- Journal of the American Association of Variable Star Observers (Jaavso) Vo. 38, Nr. 1, 2010: jaavso 38.1 (Volume 38) by jaavso aavso, 2010-06-02
- Tw Hydrae Association: 2m1207b, Tw Hydrae, Hd 98800
- A History of the Doctrine of Comets (Volume 2); A Paper Read Before the American Historical Association at Its Second Annual Meeting, Saratoga by Andrew Dickson White, 2010-07-24
- National Ground Water Association
- Variable Star Symposium (Journal of the American Association of Variable Star Observers (75th Anniversary Edition)
- Pierre Mendès France: Paris, France, University of Paris, Bar Association, Radical Party, Middle class, Centre-Left, National Assembly of France
- Journal Of The American Association Of Variable Star Observers (Jaavso) Vol. 36, Nr. 1, 2008: Jaavso 36.1 (Volume 36) by Jaavso Aavso, 2009-01-23
- The Greenwich guide to the planets (Greenwich guides to astronomy) by Stuart Malin, 1987
- Guide to Observing the Moon by British Astronomical Association, 1986-04
- The Journal of the American Association of Variable Star Observers JAAVSO Volume 37 Number 2 2009: jaavso 37.2 by jaavso aavso, 2009-11-23
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