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  1.  17
    Computation of orbit of the comes of sirius.A. W. Roberts - 1890 - Transactions of the Royal Society of South Africa 8 (1):40-49.
  2.  13
    Catalogue of variable stars south of −30° declination.A. W. Roberts - 1890 - Transactions of the Royal Society of South Africa 8 (1):52-62.
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  3.  16
    Central path of solar eclipses visible in south Africa as total or annular eclipses, during the twentieth century.A. W. Roberts - 1890 - Transactions of the Royal Society of South Africa 8 (2):93-109.
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  4.  29
    Variation of L 6887.A. W. Roberts - 1890 - Transactions of the Royal Society of South Africa 8 (2):79-83.
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  5.  19
    Variation of the star C.p.D.—41°·4511.A. W. Roberts - 1903 - Transactions of the Royal Society of South Africa 14 (1):36-42.
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  6.  11
    Variable star observing and results from observations made at lovedale, south Africa.A. W. Roberts - 1890 - Transactions of the Royal Society of South Africa 8 (1):24-32.
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