GGeneral astronomyGeneral astronomyde Jones, Harold Spencer Sir.Ediciones (3)General astronomy (1961)Edward Arnold · inglésGeneral astronomy. (1961)Edward Arnold · inglésGeneral astronomy. (1951)Edward Arnold · inglésMás obras de Jones, Harold Spencer Sir.TThe Royal observatory, GreenwichThe Royal observatory, GreenwichWWorlds without endWorlds without endJJohn Couch Adams and the discovery of NeptuneJohn Couch Adams and the discovery of Neptune