Biographischer Index der Astronomie = Biographical index of astronomy / Wilhelm Brüggenthies,
Wolfgang R. Dick, 2005
Information trouvée : Astronome, 18290423-19210628
The earth measured : b/a=20,855,447 ft./20,925,890 ft.=296.06/297.06 : and related
quantities for earth, sun, moon, and Jupiter : with comprehensive table / by a member
of the Chicago Astronomical Society, 1898-99