Observatory Circulars Johannesburg (South Africa) Union Observatory Published: 1913 Total Pages: 188 Get eBook
United States Naval Observatory Circular United States Naval Observatory Published: 1964 Total Pages: 798 Get eBook
Transvaal Observatory Circular Johannesburg (South Africa). Transvaal Observatory Published: 1913 Total Pages: 202 Get eBook
Annual Report of the Director of the Solar Physics Observatory to the Solar Physics Committee University of Cambridge. Solar Physics Observatory Published: 1914 Total Pages: 296 Get eBook
Circulars - South African Astronomical Observatory South African Astronomical Observatory Published: 1929 Total Pages: 494 Get eBook
Report of the Board of Managers of the Winchester Observatory of Yale College to the President and Fellows for the Academic Year 1880-1881, to which is Appended the Report of the Astronomer in Charge of the Horological and Thermometric Bureaus Yale University. Observatory Published: 1881 Total Pages: 676 Get eBook
