Journal of The Royal Astronomical Society of Canada (majalah).

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Journal de la Société Royale D'astronomie Du Canada

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"Library catalogue in 1911" (31 p.) appended to v. 4.

The Journal of the Royal Astronomical Society of Canada

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"Library catalogue in 1911" (31 p.) appended to v. 4.

Source Book in Astronomy, 1900-1950

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The phenomenal growth of modern astronomy, including the invention of the coronagraph and major developments in telescope design and photographic technique, is

The Journal of the Royal Astronomical Society of Canada

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