References - How We Solved the Greatest Riddle in Navigation

• Sobel, Dava. Longitude: The true story of a lone genius who solved the greatest scientific problem of his time. Macmillan, 2005.

• Cambridge University. Royal Greenwich Observatory Archives (2013) https://cudl.lib.cam.ac.uk/collections/longitude

• J. B. Harley and David Woodward. The History of Cartography (1992). Vol. 2, Book 1.

• Higgitt, Rebekah. "Longitude." Encyclopedia of the History of Science (2021) https://doi.org/10.34758/esnh-7544.

• Ptolemy, C., Berggren, J. L., & Jones, A. (2002). Ptolemy's Geography: An Annotated Translation of the Theoretical Chapters. Princeton University Press.