1.

図書
図書
1. Greenwich ten-year catalogue of stars for 1880, from observations made at the Royal observatory, Greenwich, 1877 to 1886
Royal Greenwich Observatory
出版情報: [Edinburgh] : [s.n.], [1880]
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2.

図書
図書
2. Ten-year catalogue of 4059 stars, reduced from observations extending from 1877 to 1886, at the Royal Observatory, Greenwich
under the direction of William Henry Mahoney Christie
出版情報: London : Printed for the Her Majesty's Stationery Office, 1889
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