Comparison of Positions of Stars between 49??10' North Declination in 1855.0 and Observed with the Meridian Circle during the years 1870 to 1884 under the direction of Joseph Winlo... von Rogers, William Augustus 1832-1898

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Observations of fundamental Stars made with the meridian circle during the years 1870 to 1886, and prepared for publication under the direction of Joseph Winlock and Edward C. Pick... von Rogers, William Augustus 1832-1898

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Observations made with the Meridian Circle during the Years ... under the Direction of Jos. Winlock and E. C. Pickering by William A. Rogers von Rogers, William Augustus 1832-1898

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Observations made with the Meridian Circle during the Years ... under the Direction of Jos. Winlock and E. C. Pickering by William A. Rogers von Rogers, William Augustus 1832-1898

Catalogue of 8627 Stars between 49°50' and 55°10' of north declination in 1855.0 for the epoch 1875.0 observed with the Meridian Circle during the years 1870 to 1884 and prepared f... von Rogers, William Augustus 1832-1898

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Neuerung an Maschinen zur Fabrikation von Schrauben von Rogers, William Augustus 1832-1898, Ballou, George Frederick

Journal of the zone observations of Stars between 49o 50' and 55o 10' of North Declination in 1855.o and Observed with the Meridian Circle during the Years 1875 to 1885, under the... von Rogers, William Augustus 1832-1898

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Journal of the zone observations of Stars between 49o 50' and 55o 10' of North Declination in 1855.o and Observed with the Meridian Circle during the Years 1870 to 1875, under the... von Rogers, William Augustus 1832-1898

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Catalogue of 1213 Stars observed with the Meridian Circle during the years 1870 to 1879 and prepared for publication under the direction of Joseph Winlock and Edward C. Pickering von Rogers, William Augustus 1832-1898

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Catalogue of 618 stars observed at the astronomical observatory of Harvard College, with the Meridian Circle during the years 1871 - 2, 1874, and 1875, and prepared for publication... von Rogers, William Augustus 1832-1898

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Observations made with the Meridian Circle during the Years ... under the Direction of Jos. Winlock and E. C. Pickering by William A. Rogers von Rogers, William Augustus 1832-1898

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