John Playfair (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "John Playfair" in Portuguese language version.

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archive.org

J. Playfair and Euclid, Elements of geometry; containing the first six books of Euclid, with two books on the geometry of solids. To which are added, elements of plane and spherical trigonometry, J.B. Lippincott & Co, 1860, p. 291. Available online from Google Books. See also Cajori's A History of Mathematics.
See the Collected Works of John Playfair on the Internet Archive (www.archive.org)

cambridge.org

Playfair, John (1790). «XIII. Remarks on the Astronomy of the Brahmins». Earth and Environmental Science Transactions of the Royal Society of Edinburgh (em inglês). 2 (2): 135–192. ISSN 2053-5945. doi:10.1017/s0263593300027322
Burgess, James (1893). «Art. XVIII.—Notes on Hindu Astronomy and the History of our Knowledge of it». Journal of the Royal Asiatic Society (em inglês). 25 (4): 717–761. ISSN 1474-0591. doi:10.1017/s0035869x00022553

doi.org

dx.doi.org

Playfair, John (1790). «XIII. Remarks on the Astronomy of the Brahmins». Earth and Environmental Science Transactions of the Royal Society of Edinburgh (em inglês). 2 (2): 135–192. ISSN 2053-5945. doi:10.1017/s0263593300027322
Burgess, James (1893). «Art. XVIII.—Notes on Hindu Astronomy and the History of our Knowledge of it». Journal of the Royal Asiatic Society (em inglês). 25 (4): 717–761. ISSN 1474-0591. doi:10.1017/s0035869x00022553

hathitrust.org

babel.hathitrust.org

Edinburgh Review, 12, 1808, 120–130
«Review of Traité de Mécanique Céleste par P. S. Laplace». Edinburgh Review. 11 (22): 249–284

royalsoced.org.uk

«royalsoced.org.uk - pdf» (PDF). Consultado em 10 de março de 2021. Cópia arquivada (PDF) em 16 de janeiro de 2014

st-andrews.ac.uk

mathshistory.st-andrews.ac.uk

O'Connor, John J.; Robertson, Edmund F., «John Playfair», MacTutor History of Mathematics archive (em inglês), Universidade de St. Andrews

web.archive.org

«royalsoced.org.uk - pdf» (PDF). Consultado em 10 de março de 2021. Cópia arquivada (PDF) em 16 de janeiro de 2014

worldcat.org

Playfair, John (1790). «XIII. Remarks on the Astronomy of the Brahmins». Earth and Environmental Science Transactions of the Royal Society of Edinburgh (em inglês). 2 (2): 135–192. ISSN 2053-5945. doi:10.1017/s0263593300027322
Burgess, James (1893). «Art. XVIII.—Notes on Hindu Astronomy and the History of our Knowledge of it». Journal of the Royal Asiatic Society (em inglês). 25 (4): 717–761. ISSN 1474-0591. doi:10.1017/s0035869x00022553