Gregory et MacKenzie, « Extracts of several letters sent to the Publisher from Edinburg, by the Learn'd Mr. James Gregory, to whom they were written by that intelligent knight Sir George Makenzy from Tarbut », Philosophical Transactions of the Royal Society of London, vol. 10, no 114, , p. 307–308 (DOI10.1098/rstl.1675.0014, lire en ligne)
Makenzie, « Some observations made in Scotland by that ingenious knight Sir George Makenzie, sent in a letter to Mr. James Gregory, and by him communicated to the publisher », Philosophical Transactions of the Royal Society of London, vol. 10, no 117, , p. 396–398 (DOI10.1098/rstl.1675.0038, lire en ligne)
« IV. An account of the mosses in Scotland. In a letter from the Right Honourabe George Earl of Cromertie, & c. Fellow of the Royal Society, to Dr. Hans Sloane, R. S. Secr », Philosophical Transactions of the Royal Society of London, vol. 27, no 330, , p. 296–301 (DOI10.1098/rstl.1710.0023, lire en ligne)
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Jennett Humphreys, 'Dick, Anne, Lady Dick (d. 1741)’, rev. David Turner, Oxford Dictionary of National Biography, Oxford University Press, 2004 retrieved 20 Dec 2014
Gregory et MacKenzie, « Extracts of several letters sent to the Publisher from Edinburg, by the Learn'd Mr. James Gregory, to whom they were written by that intelligent knight Sir George Makenzy from Tarbut », Philosophical Transactions of the Royal Society of London, vol. 10, no 114, , p. 307–308 (DOI10.1098/rstl.1675.0014, lire en ligne)
Makenzie, « Some observations made in Scotland by that ingenious knight Sir George Makenzie, sent in a letter to Mr. James Gregory, and by him communicated to the publisher », Philosophical Transactions of the Royal Society of London, vol. 10, no 117, , p. 396–398 (DOI10.1098/rstl.1675.0038, lire en ligne)
« IV. An account of the mosses in Scotland. In a letter from the Right Honourabe George Earl of Cromertie, & c. Fellow of the Royal Society, to Dr. Hans Sloane, R. S. Secr », Philosophical Transactions of the Royal Society of London, vol. 27, no 330, , p. 296–301 (DOI10.1098/rstl.1710.0023, lire en ligne)